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                    <primaryRef db="uniprotkb" dbAc="MI:0486" id="Q13705" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030501" secondary="positive regulation of bone mineralization" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001974" secondary="blood vessel remodeling" version="SP_213"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5NHR" version="SP_213"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR008271" version="SP_213"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000340361" version="SP_213" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0006468" secondary="protein phosphorylation" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032991" secondary="protein-containing complex" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0007178" secondary="transmembrane receptor protein serine/threonine kinase signaling pathway" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0048179" secondary="activin receptor complex" version="SP_213"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4FAO" version="SP_213"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2H62" version="SP_213"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000352511" version="SP_213" refType="transcript"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0071363" secondary="cellular response to growth factor stimulus" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0043235" secondary="receptor complex" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005887" secondary="integral component of plasma membrane" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0045669" secondary="positive regulation of osteoblast differentiation" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0017002" secondary="activin-activated receptor activity" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0120163" secondary="negative regulation of cold-induced thermogenesis" version="SP_213"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1433617" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032924" secondary="activin receptor signaling pathway" version="SP_213"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5NGV" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0060841" secondary="venous blood vessel development" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0006355" secondary="regulation of transcription, DNA-templated" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0009952" secondary="anterior/posterior pattern specification" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0060840" secondary="artery development" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0060836" secondary="lymphatic endothelial cell differentiation" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030509" secondary="BMP signaling pathway" version="SP_213"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000472" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005737" secondary="cytoplasm" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005886" secondary="plasma membrane" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032927" secondary="positive regulation of activin receptor signaling pathway" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0000122" secondary="negative regulation of transcription by RNA polymerase II" version="SP_213"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000114739" version="SP_213" refType="gene"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001097.2"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR011009" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001946" secondary="lymphangiogenesis" version="SP_213"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000333" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0019838" secondary="growth factor binding" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0061298" secondary="retina vasculature development in camera-type eye" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0046872" secondary="metal ion binding" version="SP_213"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q4VAV0" version="SP_88" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0007165" secondary="signal transduction" version="SP_213"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1383577" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1502540" version="SP_213"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1181150" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0048185" secondary="activin binding" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005524" secondary="ATP binding" version="SP_213"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000719" version="SP_213"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2QLU" version="SP_213"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004674" secondary="protein serine/threonine kinase activity" version="SP_213"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-201451" version="SP_213"/>
                </xref>
                <interactorType>
                    <names>
                        <shortLabel>protein</shortLabel>
                        <fullName>protein</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0326" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
                    </xref>
                </interactorType>
                <organism ncbiTaxId="9606">
                    <names>
                        <shortLabel>human</shortLabel>
                        <fullName>Homo sapiens</fullName>
                        <alias typeAc="MI:1041" type="synonym">Human</alias>
                    </names>
                </organism>
                <sequence>MTAPWVALALLWGSLCAGSGRGEAETRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQVYFCCCEGNFCNERFTHLPEAGGPEVTYEPPPTAPTLLTVLAYSLLPIGGLSLIVLLAFWMYRHRKPPYGHVDIHEDPGPPPPSPLVGLKPLQLLEIKARGRFGCVWKAQLMNDFVAVKIFPLQDKQSWQSEREIFSTPGMKHENLLQFIAAEKRGSNLEVELWLITAFHDKGSLTDYLKGNIITWNELCHVAETMSRGLSYLHEDVPWCRGEGHKPSIAHRDFKSKNVLLKSDLTAVLADFGLAVRFEPGKPPGDTHGQVGTRRYMAPEVLEGAINFQRDAFLRIDMYAMGLVLWELVSRCKAADGPVDEYMLPFEEEIGQHPSLEELQEVVVHKKMRPTIKDHWLKHPGLAQLCVTIEECWDHDAEARLSAGCVEERVSLIRRSVNGTTSDCLVSLVTSVTNVDLPPKESSI</sequence>
            </interactor>
            <interactor id="1419629">
                <names>
                    <shortLabel>wfkn1_human</shortLabel>
                    <fullName>WAP, Kazal, immunoglobulin, Kunitz and NTR domain-containing protein 1</fullName>
                    <alias typeAc="MI:0301" type="gene name">WFIKKN1</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">GASP2</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">WFIKKN</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">Growth and differentiation factor-associated serum protein 2</alias>
                    <alias typeAc="MI:0306" type="orf name">PSEC0040</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">C16orf12</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">WAP, follistatin, immunoglobulin, Kunitz and NTR domain-containing protein</alias>
                </names>
                <xref>
                    <primaryRef db="uniprotkb" dbAc="MI:0486" id="Q96NZ8" version="SP_60" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2DDI" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0043392" secondary="negative regulation of DNA binding" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR008993" version="SP_157"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000127578" version="SP_157" refType="gene"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036179" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001501" secondary="skeletal system development" version="SP_157"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000324763" version="SP_157" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032091" secondary="negative regulation of protein binding" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004867" secondary="serine-type endopeptidase inhibitor activity" version="SP_157"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q96S20" version="SP_60" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR002350" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036645" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR013783" version="SP_157"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000319070" version="SP_157" refType="transcript"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR002223" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR020901" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR001134" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036058" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030512" secondary="negative regulation of transforming growth factor beta receptor signaling pathway" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0050431" secondary="transforming growth factor beta binding" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036880" version="SP_157"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_444514.1"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q7LDW0" version="SP_60" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005576" secondary="extracellular region" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008191" secondary="metalloendopeptidase inhibitor activity" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR008197" version="SP_157"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-2363713" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2DDJ" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR033638" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR003598" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR003599" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0048019" secondary="receptor antagonist activity" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0055001" secondary="muscle cell development" version="SP_157"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR007110" version="SP_157"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0060021" secondary="roof of mouth development" version="SP_157"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q8NBQ1" version="SP_60" refType="secondary-ac" refTypeAc="MI:0360"/>
                </xref>
                <interactorType>
                    <names>
                        <shortLabel>protein</shortLabel>
                        <fullName>protein</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0326" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
                    </xref>
                </interactorType>
                <organism ncbiTaxId="9606">
                    <names>
                        <shortLabel>human</shortLabel>
                        <fullName>Homo sapiens</fullName>
                        <alias typeAc="MI:1041" type="synonym">Human</alias>
                    </names>
                </organism>
                <sequence>MPALRPLLPLLLLLRLTSGAGLLPGLGSHPGVCPNQLSPNLWVDAQSTCERECSRDQDCAAAEKCCINVCGLHSCVAARFPGSPAAPTTAASCEGFVCPQQGSDCDIWDGQPVCRCRDRCEKEPSFTCASDGLTYYNRCYMDAEACLRGLHLHIVPCKHVLSWPPSSPGPPETTARPTPGAAPVPPALYSSPSPQAVQVGGTASLHCDVSGRPPPAVTWEKQSHQRENLIMRPDQMYGNVVVTSIGQLVLYNARPEDAGLYTCTARNAAGLLRADFPLSVVQREPARDAAPSIPAPAECLPDVQACTGPTSPHLVLWHYDPQRGGCMTFPARGCDGAARGFETYEACQQACARGPGDACVLPAVQGPCRGWEPRWAYSPLLQQCHPFVYGGCEGNGNNFHSRESCEDACPVPRTPPCRACRLRSKLALSLCRSDFAIVGRLTEVLEEPEAAGGIARVALEDVLKDDKMGLKFLGTKYLEVTLSGMDWACPCPNMTAGDGPLVIMGEVRDGVAVLDAGSYVRAASEKRVKKILELLEKQACELLNRFQD</sequence>
            </interactor>
            <interactor id="1419630">
                <names>
                    <shortLabel>furin_human</shortLabel>
                    <fullName>Furin</fullName>
                    <alias typeAc="MI:0301" type="gene name">FURIN</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">FUR</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">PACE</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">PCSK3</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">Paired basic amino acid residue-cleaving enzyme</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">Dibasic-processing enzyme</alias>
                </names>
                <xref>
                    <primaryRef db="uniprotkb" dbAc="MI:0486" id="P09958" version="SP_104" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5210891" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032374" secondary="regulation of cholesterol transport" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5JXI" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR009030" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-9694614" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-159782" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0048406" secondary="nerve growth factor binding" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:1901394" secondary="positive regulation of transforming growth factor beta1 activation" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HZD" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4OMC" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR008979" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5JXG" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6EQW" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR006212" version="SP_246"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001276752.1"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR015500" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036852" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR038466" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0002020" secondary="protease binding" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0002862" secondary="negative regulation of inflammatory response to antigenic stimulus" version="SP_246"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_002560.1"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004867" secondary="serine-type endopeptidase inhibitor activity" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0006465" secondary="signal peptide processing" version="SP_246"/>
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                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0007179" secondary="transforming growth factor beta receptor signaling pathway" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0016485" secondary="protein processing" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030198" secondary="extracellular matrix organization" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000268171" version="SP_246" refType="transcript"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6YD7" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000209" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-8963889" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6A8Y" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR022398" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1181150" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6YD2" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032902" secondary="nerve growth factor production" version="SP_246"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q6LBS3" version="SP_104" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HLB" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5MIM" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001825" secondary="blastocyst formation" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0042176" secondary="regulation of protein catabolic process" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030140" secondary="trans-Golgi network transport vesicle" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1592389" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004175" secondary="endopeptidase activity" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0097341" secondary="zymogen inhibition" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030173" secondary="integral component of Golgi membrane" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0031638" secondary="zymogen activation" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4Z2A" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5JMO" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005796" secondary="Golgi lumen" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0051004" secondary="regulation of lipoprotein lipase activity" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0019082" secondary="viral protein processing" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6YD4" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR023828" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HZC" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000484952" version="SP_246" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HLD" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-186797" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-9662834" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4OMD" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-167060" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032804" secondary="negative regulation of low-density lipoprotein particle receptor catabolic process" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-171286" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000680053" version="SP_246" refType="transcript"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HLE" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1442490" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005783" secondary="endoplasmic reticulum" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4RYD" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HZA" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-6809371" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5JXJ" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1566948" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6EQX" version="SP_246"/>
                    <secondaryRef db="mint" dbAc="MI:0471" id="P09958" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-9679191" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008233" secondary="peptidase activity" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0010008" secondary="endosome membrane" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0022617" secondary="extracellular matrix disassembly" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0000139" secondary="Golgi membrane" version="SP_246"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q14336" version="SP_104" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0051044" secondary="positive regulation of membrane protein ectodomain proteolysis" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6EQV" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:1990000" secondary="amyloid fibril formation" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-2173789" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005802" secondary="trans-Golgi network" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0046872" secondary="metal ion binding" version="SP_246"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5JXH" version="SP_246"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001276753.1"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000140564" version="SP_246" refType="gene"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q9UCZ5" version="SP_118" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032940" secondary="secretion by cell" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0042277" secondary="peptide binding" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005576" secondary="extracellular region" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0032911" secondary="negative regulation of transforming growth factor beta1 production" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-977225" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR034182" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0009966" secondary="regulation of signal transduction" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0016486" secondary="peptide hormone processing" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0019058" secondary="viral life cycle" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0070062" secondary="extracellular exosome" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000483552" version="SP_246" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000610579" version="SP_246" refType="transcript"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0009986" secondary="cell surface" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0043043" secondary="peptide biosynthetic process" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004252" secondary="serine-type endopeptidase activity" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR032815" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0016020" secondary="membrane" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005886" secondary="plasma membrane" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030574" secondary="collagen catabolic process" version="SP_246"/>
                    <secondaryRef db="dip" dbAc="MI:0465" id="DIP-29904N"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0052548" secondary="regulation of endopeptidase activity" version="SP_246"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1056807" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6YD3" version="SP_246"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0090472" secondary="dibasic protein processing" version="SP_246"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1912420" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000268171" version="SP_246" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0045121" secondary="membrane raft" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR002884" version="SP_246"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000618099" version="SP_246" refType="transcript"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6HZB" version="SP_246"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR023827" version="SP_246"/>
                </xref>
                <interactorType>
                    <names>
                        <shortLabel>protein</shortLabel>
                        <fullName>protein</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0326" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
                    </xref>
                </interactorType>
                <organism ncbiTaxId="9606">
                    <names>
                        <shortLabel>human</shortLabel>
                        <fullName>Homo sapiens</fullName>
                        <alias typeAc="MI:1041" type="synonym">Human</alias>
                    </names>
                </organism>
                <sequence>MELRPWLLWVVAATGTLVLLAADAQGQKVFTNTWAVRIPGGPAVANSVARKHGFLNLGQIFGDYYHFWHRGVTKRSLSPHRPRHSRLQREPQVQWLEQQVAKRRTKRDVYQEPTDPKFPQQWYLSGVTQRDLNVKAAWAQGYTGHGIVVSILDDGIEKNHPDLAGNYDPGASFDVNDQDPDPQPRYTQMNDNRHGTRCAGEVAAVANNGVCGVGVAYNARIGGVRMLDGEVTDAVEARSLGLNPNHIHIYSASWGPEDDGKTVDGPARLAEEAFFRGVSQGRGGLGSIFVWASGNGGREHDSCNCDGYTNSIYTLSISSATQFGNVPWYSEACSSTLATTYSSGNQNEKQIVTTDLRQKCTESHTGTSASAPLAAGIIALTLEANKNLTWRDMQHLVVQTSKPAHLNANDWATNGVGRKVSHSYGYGLLDAGAMVALAQNWTTVAPQRKCIIDILTEPKDIGKRLEVRKTVTACLGEPNHITRLEHAQARLTLSYNRRGDLAIHLVSPMGTRSTLLAARPHDYSADGFNDWAFMTTHSWDEDPSGEWVLEIENTSEANNYGTLTKFTLVLYGTAPEGLPVPPESSGCKTLTSSQACVVCEEGFSLHQKSCVQHCPPGFAPQVLDTHYSTENDVETIRASVCAPCHASCATCQGPALTDCLSCPSHASLDPVEQTCSRQSQSSRESPPQQQPPRLPPEVEAGQRLRAGLLPSHLPEVVAGLSCAFIVLVFVTVFLVLQLRSGFSFRGVKVYTMDRGLISYKGLPPEAWQEECPSDSEEDEGRGERTAFIKDQSAL</sequence>
            </interactor>
            <interactor id="1419631">
                <names>
                    <shortLabel>bmp1_human</shortLabel>
                    <fullName>Bone morphogenetic protein 1</fullName>
                    <alias typeAc="MI:0302" type="gene name synonym">Procollagen C-proteinase</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">Mammalian tolloid protein</alias>
                    <alias typeAc="MI:0301" type="gene name">BMP1</alias>
                    <alias typeAc="MI:0302" type="gene name synonym">PCOLC</alias>
                </names>
                <xref>
                    <primaryRef db="uniprotkb" dbAc="MI:0486" id="P13497" version="SP_97" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BTP" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008083" secondary="growth factor activity" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001502" secondary="cartilage condensation" version="SP_230"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001190.1"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001503" secondary="ossification" version="SP_230"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BTQ" version="SP_230"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1474228" version="SP_230"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000306385" version="SP_230" refType="transcript"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR024079" version="SP_230"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BTN" version="SP_230"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q9UL38" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="3EDH" version="SP_230"/>
                    <secondaryRef db="dip" dbAc="MI:0465" id="DIP-33403N"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000152" version="SP_230"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-2243919" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR029837" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0007275" secondary="multicellular organism development" version="SP_230"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="3EDG" version="SP_230"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BSL" version="SP_230"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="XP_016869227.1"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BTO" version="SP_230"/>
                    <secondaryRef db="mint" dbAc="MI:0471" id="P13497" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005576" secondary="extracellular region" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR035914" version="SP_230"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q13292" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="A8K6F5" version="SP_125" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005509" secondary="calcium ion binding" version="SP_230"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-1650814" version="SP_230"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-489827" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000742" version="SP_230"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-8963896" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005794" secondary="Golgi apparatus" version="SP_230"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="NP_006120.1"/>
                    <secondaryRef db="refseq" dbAc="MI:0481" id="XP_011542919.1"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q14874" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q99422" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6BSM" version="SP_230"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="B2RN46" version="SP_125" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR006026" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008233" secondary="peptidase activity" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0001501" secondary="skeletal system development" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR015446" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0061036" secondary="positive regulation of cartilage development" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0031982" secondary="vesicle" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0006508" secondary="proteolysis" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004252" secondary="serine-type endopeptidase activity" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR000859" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR018097" version="SP_230"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q99421" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008270" secondary="zinc ion binding" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005125" secondary="cytokine activity" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR001506" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0008237" secondary="metallopeptidase activity" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030154" secondary="cell differentiation" version="SP_230"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q13872" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR034036" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0042802" secondary="identical protein binding" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0005615" secondary="extracellular space" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR001881" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0030199" secondary="collagen fibril organization" version="SP_230"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000168487" version="SP_230" refType="gene"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="D3DSR0" version="SP_133" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q99423" version="SP_97" refType="secondary-ac" refTypeAc="MI:0360"/>
                    <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-2214320" version="SP_230"/>
                    <secondaryRef db="go" dbAc="MI:0448" id="GO:0004222" secondary="metalloendopeptidase activity" version="SP_230"/>
                    <secondaryRef db="interpro" dbAc="MI:0449" id="IPR009030" version="SP_230"/>
                    <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000305714" version="SP_230" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <interactorType>
                    <names>
                        <shortLabel>protein</shortLabel>
                        <fullName>protein</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0326" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
                    </xref>
                </interactorType>
                <organism ncbiTaxId="9606">
                    <names>
                        <shortLabel>human</shortLabel>
                        <fullName>Homo sapiens</fullName>
                        <alias typeAc="MI:1041" type="synonym">Human</alias>
                    </names>
                </organism>
                <sequence>MPGVARLPLLLGLLLLPRPGRPLDLADYTYDLAEEDDSEPLNYKDPCKAAAFLGDIALDEEDLRAFQVQQAVDLRRHTARKSSIKAAVPGNTSTPSCQSTNGQPQRGACGRWRGRSRSRRAATSRPERVWPDGVIPFVIGGNFTGSQRAVFRQAMRHWEKHTCVTFLERTDEDSYIVFTYRPCGCCSYVGRRGGGPQAISIGKNCDKFGIVVHELGHVVGFWHEHTRPDRDRHVSIVRENIQPGQEYNFLKMEPQEVESLGETYDFDSIMHYARNTFSRGIFLDTIVPKYEVNGVKPPIGQRTRLSKGDIAQARKLYKCPACGETLQDSTGNFSSPEYPNGYSAHMHCVWRISVTPGEKIILNFTSLDLYRSRLCWYDYVEVRDGFWRKAPLRGRFCGSKLPEPIVSTDSRLWVEFRSSSNWVGKGFFAVYEAICGGDVKKDYGHIQSPNYPDDYRPSKVCIWRIQVSEGFHVGLTFQSFEIERHDSCAYDYLEVRDGHSESSTLIGRYCGYEKPDDIKSTSSRLWLKFVSDGSINKAGFAVNFFKEVDECSRPNRGGCEQRCLNTLGSYKCSCDPGYELAPDKRRCEAACGGFLTKLNGSITSPGWPKEYPPNKNCIWQLVAPTQYRISLQFDFFETEGNDVCKYDFVEVRSGLTADSKLHGKFCGSEKPEVITSQYNNMRVEFKSDNTVSKKGFKAHFFSDKDECSKDNGGCQQDCVNTFGSYECQCRSGFVLHDNKHDCKEAGCDHKVTSTSGTITSPNWPDKYPSKKECTWAISSTPGHRVKLTFMEMDIESQPECAYDHLEVFDGRDAKAPVLGRFCGSKKPEPVLATGSRMFLRFYSDNSVQRKGFQASHATECGGQVRADVKTKDLYSHAQFGDNNYPGGVDCEWVIVAEEGYGVELVFQTFEVEEETDCGYDYMELFDGYDSTAPRLGRYCGSGPPEEVYSAGDSVLVKFHSDDTITKKGFHLRYTSTKFQDTLHSRK</sequence>
            </interactor>
        </interactorList>
        <interactionList>
            <interaction id="1419632">
                <names>
                    <shortLabel>acvr2b-mstn-1</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432603" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8542972" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419633">
                        <names>
                            <shortLabel>n/a</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Mature Myostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432606" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543017" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419634">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432610" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543029" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="266"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                        <attributeList>
                            <attribute name="comment" nameAc="MI:0612">Stoichiometry: 2.1</attribute>
                        </attributeList>
                    </participant>
                    <participant id="1419635">
                        <names>
                            <shortLabel>n/a</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">ACR IIB</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432605" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543021" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419628</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419636">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432614" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543025" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="19"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="137"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                                <attributeList>
                                    <attribute name="comment" nameAc="MI:0612">extracellular region</attribute>
                                </attributeList>
                            </feature>
                        </featureList>
                        <attributeList>
                            <attribute name="comment" nameAc="MI:0612">Stoichiometry: 1.2</attribute>
                        </attributeList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                    <attribute name="figure legend" nameAc="MI:0599">F3C F4</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419637">
                <names>
                    <shortLabel>acvr2b-mstn-2</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432617" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543032" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419638">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Latent Myostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432619" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543037" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419639">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432620" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543045" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="267"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                        <attributeList>
                            <attribute name="comment" nameAc="MI:0612">Stoichiometry: 2.1</attribute>
                        </attributeList>
                    </participant>
                    <participant id="1419640">
                        <names>
                            <shortLabel>avr2b_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">ACR IIB</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432623" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543041" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419628</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419641">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432624" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543049" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="19"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="137"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                                <attributeList>
                                    <attribute name="comment" nameAc="MI:0612">extracellular region</attribute>
                                </attributeList>
                            </feature>
                        </featureList>
                        <attributeList>
                            <attribute name="comment" nameAc="MI:0612">Stoichiometry: 1.2</attribute>
                        </attributeList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                    <attribute name="figure legend" nameAc="MI:0599">F3b</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419642">
                <names>
                    <shortLabel>acvr2b-mstn-3</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432640" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543053" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419643">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Myostatin Prodomain</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432646" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543062" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419644">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432647" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543069" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                                <attributeList>
                                    <attribute name="comment" nameAc="MI:0612">Prodomain</attribute>
                                </attributeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419645">
                        <names>
                            <shortLabel>avr2b_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">ACR IIB</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432642" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543059" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419628</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419646">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432643" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543065" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="19"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="137"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                                <attributeList>
                                    <attribute name="comment" nameAc="MI:0612">extracellular region</attribute>
                                </attributeList>
                            </feature>
                        </featureList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <parameterList>
                    <parameter term="kd" termAc="MI:0646" unit="molar" unitAc="MI:0648" base="10" exponent="-8" factor="3.0">
                        <experimentRef>1419623</experimentRef>
                    </parameter>
                </parameterList>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">F5b</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419647">
                <names>
                    <shortLabel>wfikkn1-mstn</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432657" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543073" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419648">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Myostatin Prodomain</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432660" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543081" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419649">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432661" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543084" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419650">
                        <names>
                            <shortLabel>wfkn1_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">WFIKKN1</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432664" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543078" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419629</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                    <attribute name="figure legend" nameAc="MI:0599">f7a f7c</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419651">
                <names>
                    <shortLabel>wfikkn1-mstn-1</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432687" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543087" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419652">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Promyostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432693" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543093" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419653">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432694" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543099" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419654">
                        <names>
                            <shortLabel>wfkn1_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">WFIKKN1</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432689" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543096" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419629</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <parameterList>
                    <parameter term="temp interaction" termAc="MI:0836" unit="molar" unitAc="MI:0648" base="10" exponent="-6" factor="1.0">
                        <experimentRef>1419623</experimentRef>
                    </parameter>
                </parameterList>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">f6a</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419655">
                <names>
                    <shortLabel>acvr2b-mstn-4</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432783" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543102" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419656">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Latent Myostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432785" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543111" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419657">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432786" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543118" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="267"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419658">
                        <names>
                            <shortLabel>avr2b_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">ACR IIB</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432790" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543108" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419628</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419659">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432791" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543114" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="19"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="137"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                                <attributeList>
                                    <attribute name="comment" nameAc="MI:0612">extracellular region</attribute>
                                </attributeList>
                            </feature>
                        </featureList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>physical association</shortLabel>
                        <fullName>physical association</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0915" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1813147" refType="identity" refTypeAc="MI:0356"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">F10</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419660">
                <names>
                    <shortLabel>wfikkn1-mstn-2</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432804" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543122" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419661">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">PRO</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432808" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543128" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419662">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432809" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543134" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="116"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419663">
                        <names>
                            <shortLabel>wfkn1_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">WFIKKN1</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432806" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543131" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419629</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <parameterList>
                    <parameter term="kd" termAc="MI:0646" unit="molar" unitAc="MI:0648" base="10" exponent="-7" factor="4.3">
                        <experimentRef>1419623</experimentRef>
                    </parameter>
                </parameterList>
                <attributeList>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                    <attribute name="figure legend" nameAc="MI:0599">f8c</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419664">
                <names>
                    <shortLabel>mstn-mstn</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432817" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543137" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419623</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419665">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">PRO</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432820" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543145" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419666">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432821" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543148" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="43"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="115"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419667">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">myostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432824" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543142" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419668">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432829" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543151" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="266"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">f8a</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419669">
                <names>
                    <shortLabel>furin-mstn</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432748" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543210" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419624</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419670">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Promyostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432750" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543218" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>weight by comassie</shortLabel>
                                    <fullName>molecular weight estimation by coomasie staining</fullName>
                                    <alias typeAc="MI:1041" type="synonym">weight by comassie</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0818" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1218596" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>enzyme target</shortLabel>
                                <fullName>enzyme target</fullName>
                                <alias typeAc="MI:0303" type="go synonym">substrate</alias>
                                <alias typeAc="MI:1041" type="synonym">substrate</alias>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0502" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-64" refType="identity" refTypeAc="MI:0356"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>neutral component</shortLabel>
                                    <fullName>neutral component</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419671">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432751" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543221" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419672">
                        <names>
                            <shortLabel>n/a</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Furin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432755" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543215" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419630</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>enzyme</shortLabel>
                                <fullName>enzyme</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0501" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-46" refType="identity" refTypeAc="MI:0356"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>neutral component</shortLabel>
                                    <fullName>neutral component</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>cleavage</shortLabel>
                        <fullName>cleavage reaction</fullName>
                        <alias typeAc="MI:1041" type="synonym">cleavage</alias>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0194" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49853" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">sf2</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419673">
                <names>
                    <shortLabel>bmp1-mstn</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432763" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543224" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419624</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419674">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Promyostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432765" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543229" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>weight by comassie</shortLabel>
                                    <fullName>molecular weight estimation by coomasie staining</fullName>
                                    <alias typeAc="MI:1041" type="synonym">weight by comassie</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0818" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1218596" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>enzyme target</shortLabel>
                                <fullName>enzyme target</fullName>
                                <alias typeAc="MI:0303" type="go synonym">substrate</alias>
                                <alias typeAc="MI:1041" type="synonym">substrate</alias>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0502" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-64" refType="identity" refTypeAc="MI:0356"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>neutral component</shortLabel>
                                    <fullName>neutral component</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419675">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432766" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543235" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419676">
                        <names>
                            <shortLabel>bmp1_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">BMP-1</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432769" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543232" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419631</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>predetermined</shortLabel>
                                    <fullName>predetermined participant</fullName>
                                    <alias typeAc="MI:1041" type="synonym">predetermined</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0396" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1465" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>enzyme</shortLabel>
                                <fullName>enzyme</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0501" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-46" refType="identity" refTypeAc="MI:0356"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>neutral component</shortLabel>
                                    <fullName>neutral component</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>cleavage</shortLabel>
                        <fullName>cleavage reaction</fullName>
                        <alias typeAc="MI:1041" type="synonym">cleavage</alias>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0194" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49853" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="figure legend" nameAc="MI:0599">sf3</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419677">
                <names>
                    <shortLabel>wfikkn1-mstn-3</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432707" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543163" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419625</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419678">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Latent Myostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432709" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543168" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>western blot</shortLabel>
                                    <fullName>western blot</fullName>
                                    <alias typeAc="MI:0303" type="go synonym">Immuno blot</alias>
                                    <alias typeAc="MI:1041" type="synonym">Immuno blot</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0113" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-973" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>prey</shortLabel>
                                    <fullName>prey</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0498" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-58" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419679">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432710" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543174" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="267"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="116"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="266"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                    <participant id="1419680">
                        <names>
                            <shortLabel>wfkn1_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">WFIKKN1</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432714" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543171" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419629</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>weight by staining</shortLabel>
                                    <fullName>molecular weight estimation by staining</fullName>
                                    <alias typeAc="MI:1041" type="synonym">weight by staining</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0816" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1218615" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>bait</shortLabel>
                                    <fullName>bait</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0496" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-49" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419681">
                                <names>
                                    <shortLabel>his tag</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432725" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543178" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>his tag</shortLabel>
                                        <fullName>his tag</fullName>
                                        <alias typeAc="MI:0303" type="go synonym">Hexa-His-tag</alias>
                                        <alias typeAc="MI:0303" type="go synonym">6-His-tag</alias>
                                        <alias typeAc="MI:0303" type="go synonym">Histidine-tag</alias>
                                        <alias typeAc="MI:1041" type="synonym">Hexa-His-tag</alias>
                                        <alias typeAc="MI:1041" type="synonym">Histidine-tag</alias>
                                        <alias typeAc="MI:1041" type="synonym">6-His-tag</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0521" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456516" refType="identity" refTypeAc="MI:0356"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>undetermined</shortLabel>
                                                <fullName>undetermined sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">undetermined</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0339" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-448295" refType="identity" refTypeAc="MI:0356"/>
                                            </xref>
                                        </startStatus>
                                        <endStatus>
                                            <names>
                                                <shortLabel>undetermined</shortLabel>
                                                <fullName>undetermined sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">undetermined</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0339" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-448295" refType="identity" refTypeAc="MI:0356"/>
                                            </xref>
                                        </endStatus>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">f9</attribute>
                    <attribute name="comment" nameAc="MI:0612">homomint</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
            <interaction id="1419682">
                <names>
                    <shortLabel>mstn-1</shortLabel>
                </names>
                <xref>
                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432730" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543190" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <experimentList>
                    <experimentRef>1419626</experimentRef>
                </experimentList>
                <participantList>
                    <participant id="1419683">
                        <names>
                            <shortLabel>gdf8_human</shortLabel>
                            <alias typeAc="MI:0345" type="author assigned name">Promyostatin</alias>
                        </names>
                        <xref>
                            <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432736" refType="identity" refTypeAc="MI:0356"/>
                            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543194" refType="identity" refTypeAc="MI:0356"/>
                        </xref>
                        <interactorRef>1419627</interactorRef>
                        <participantIdentificationMethodList>
                            <participantIdentificationMethod>
                                <names>
                                    <shortLabel>weight by comassie</shortLabel>
                                    <fullName>molecular weight estimation by coomasie staining</fullName>
                                    <alias typeAc="MI:1041" type="synonym">weight by comassie</alias>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0818" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1218596" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </participantIdentificationMethod>
                        </participantIdentificationMethodList>
                        <biologicalRole>
                            <names>
                                <shortLabel>unspecified role</shortLabel>
                                <fullName>unspecified role</fullName>
                            </names>
                            <xref>
                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0499" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-77781" refType="identity" refTypeAc="MI:0356"/>
                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                            </xref>
                        </biologicalRole>
                        <experimentalRoleList>
                            <experimentalRole>
                                <names>
                                    <shortLabel>neutral component</shortLabel>
                                    <fullName>neutral component</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                            </experimentalRole>
                        </experimentalRoleList>
                        <experimentalPreparationList>
                            <experimentalPreparation>
                                <names>
                                    <shortLabel>purified</shortLabel>
                                    <fullName>purified</fullName>
                                </names>
                                <xref>
                                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0350" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1537811" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                </xref>
                            </experimentalPreparation>
                        </experimentalPreparationList>
                        <featureList>
                            <feature id="1419684">
                                <names>
                                    <shortLabel>binding site</shortLabel>
                                </names>
                                <xref>
                                    <primaryRef db="mint" dbAc="MI:0471" id="MINT-8432737" refType="identity" refTypeAc="MI:0356"/>
                                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-8543198" refType="identity" refTypeAc="MI:0356"/>
                                </xref>
                                <featureType>
                                    <names>
                                        <shortLabel>binding region</shortLabel>
                                        <fullName>binding-associated region</fullName>
                                        <alias typeAc="MI:1041" type="synonym">binding region</alias>
                                    </names>
                                    <xref>
                                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0117" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-456493" refType="identity" refTypeAc="MI:0356"/>
                                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                    </xref>
                                </featureType>
                                <featureRangeList>
                                    <featureRange>
                                        <startStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </startStatus>
                                        <begin position="24"/>
                                        <endStatus>
                                            <names>
                                                <shortLabel>certain</shortLabel>
                                                <fullName>certain sequence position</fullName>
                                                <alias typeAc="MI:1041" type="synonym">certain</alias>
                                            </names>
                                            <xref>
                                                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0335" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-540564" refType="identity" refTypeAc="MI:0356"/>
                                                <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                                            </xref>
                                        </endStatus>
                                        <end position="375"/>
                                        <isLink>false</isLink>
                                    </featureRange>
                                </featureRangeList>
                            </feature>
                        </featureList>
                        <attributeList>
                            <attribute name="comment" nameAc="MI:0612">Stoichiometry: 2.0</attribute>
                        </attributeList>
                    </participant>
                </participantList>
                <interactionType>
                    <names>
                        <shortLabel>direct interaction</shortLabel>
                        <fullName>direct interaction</fullName>
                    </names>
                    <xref>
                        <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0407" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608833" refType="identity" refTypeAc="MI:0356"/>
                        <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                    </xref>
                </interactionType>
                <modelled>false</modelled>
                <intraMolecular>false</intraMolecular>
                <negative>false</negative>
                <attributeList>
                    <attribute name="figure legend" nameAc="MI:0599">sf1</attribute>
                    <attribute name="comment" nameAc="MI:0612">mint</attribute>
                </attributeList>
            </interaction>
        </interactionList>
    </entry>
</entrySet>
