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        <fullName>Database of Interacting Proteins</fullName>
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      <attributeList>
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        <attribute name="url" nameAc="MI:0614">http://dip.doe-mbi.ucla.edu/</attribute>
        <attribute name="contact-email" nameAc="MI:0634">dip@mbi.ucla.edu</attribute>
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          <fullName>Structural basis of ubiquitin recognition by the deubiquitinating protease USP2.</fullName>
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            <attribute name="publication year" nameAc="MI:0886">2006</attribute>
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          <shortLabel>q5u5u6_human</shortLabel>
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            <shortLabel>protein</shortLabel>
            <fullName>protein</fullName>
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            <fullName>Homo sapiens</fullName>
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          <attribute name="crc64">33011162F1C48BB1</attribute>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1P3Q"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1UZX"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1V80"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1V81"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1WR6"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1WRD"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1YD8"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2C7M"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2C7N"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2D3G"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2DX5"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2FID"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2FIF"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005634"/>
          <secondaryRef db="ipi" dbAc="MI:0675" id="IPI00687665"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2WWZ"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2WX0"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2WX1"/>
        </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="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
            <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
          </xref>
        </interactorType>
        <organism ncbiTaxId="9913">
          <names>
            <shortLabel>bovin</shortLabel>
            <fullName>Bos taurus (Bovine)</fullName>
            <alias type="synonym" typeAc="MI:1041">Bovine</alias>
          </names>
        </organism>
        <sequence>MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG</sequence>
        <attributeList>
          <attribute name="crc64">C42A35397FFD9B52</attribute>
        </attributeList>
      </interactor>
      <interactor id="6">
        <names>
          <shortLabel>uchl3_human</shortLabel>
          <fullName>Ubiquitin carboxyl-terminal hydrolase isozyme L3</fullName>
          <alias type="gene name synonym" typeAc="MI:0302">Ubiquitin thioesterase L3</alias>
          <alias type="gene name" typeAc="MI:0301">UCHL3</alias>
        </names>
        <xref>
          <primaryRef db="uniprotkb" dbAc="MI:0486" id="P15374" version="SP_82" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q5TBK8" version="SP_82" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q6IBE9" version="SP_82" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000366819" version="SP_202" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="B2R970" version="SP_100" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-954554" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001257881.1"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="NP_005993.1"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000118939" version="SP_202" refType="gene"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000377595" version="SP_202" refType="transcript"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0004843" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005654" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005737" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005829" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0006511" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0008233" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016567" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016579" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0019784" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0030163" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0043130" version="SP_202"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0043687" version="SP_202"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR001578" version="SP_202"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036959" version="SP_202"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR038765" version="SP_202"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1UCH" version="SP_202"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1XD3" version="SP_202"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6ISU" version="SP_202"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6QML" version="SP_202"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5689603" version="SP_202"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-8866652" version="SP_202"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-8951664" version="SP_202"/>
          <secondaryRef db="dip" dbAc="MI:0465" id="DIP-29135N"/>
        </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="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
            <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
          </xref>
        </interactorType>
        <organism ncbiTaxId="9606">
          <names>
            <shortLabel>human</shortLabel>
            <fullName>Homo sapiens</fullName>
            <alias type="synonym" typeAc="MI:1041">Human</alias>
          </names>
        </organism>
        <sequence>MEGQRWLPLEANPEVTNQFLKQLGLHPNWQFVDVYGMDPELLSMVPRPVCAVLLLFPITEKYEVFRTEEEEKIKSQGQDVTSSVYFMKQTISNACGTIGLIHAIANNKDKMHFESGSTLKKFLEESVSMSPEERARYLENYDAIRVTHETSAHEGQTEAPSIDEKVDLHFIALVHVDGHLYELDGRKPFPINHGETSDETLLEDAIEVCKKFMERDPDELRFNAIALSAA</sequence>
        <attributeList>
          <attribute name="remark-internal">DIP protein P15374 original sequence version: 75</attribute>
          <attribute name="crc64">8ACACE6E1D86FD55</attribute>
        </attributeList>
      </interactor>
      <interactor id="7">
        <names>
          <shortLabel>ubp2_human</shortLabel>
          <fullName>Ubiquitin carboxyl-terminal hydrolase 2</fullName>
          <alias type="gene name synonym" typeAc="MI:0302">Ubiquitin-specific-processing protease 2</alias>
          <alias type="gene name synonym" typeAc="MI:0302">Deubiquitinating enzyme 2</alias>
          <alias type="gene name synonym" typeAc="MI:0302">41 kDa ubiquitin-specific protease</alias>
          <alias type="gene name" typeAc="MI:0301">USP2</alias>
          <alias type="gene name synonym" typeAc="MI:0302">UBP41</alias>
          <alias type="gene name synonym" typeAc="MI:0302">Ubiquitin thioesterase 2</alias>
        </names>
        <xref>
          <primaryRef db="uniprotkb" dbAc="MI:0486" id="O75604" version="SP_65" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q96MB9" version="SP_65" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q9BQ21" version="SP_65" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSP00000260187" version="SP_193" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q8IW04" version="SP_100" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="Q8IUM2" version="SP_100" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="B0YJB8" version="SP_92" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="uniprotkb" dbAc="MI:0486" id="E9PPM2" version="SP_129" refType="secondary-ac" refTypeAc="MI:0360"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-743272" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="NP_004196.4"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="NP_741994.1"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENSG00000036672" version="SP_193" refType="gene"/>
          <secondaryRef db="ensembl" dbAc="MI:0476" id="ENST00000260187" version="SP_193" refType="transcript"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0000122" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0004197" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0004843" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005654" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005737" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005813" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0006511" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0007049" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0007517" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016020" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016579" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0031625" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0032922" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0042802" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0043153" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0045475" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0045931" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0046872" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0048471" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0048512" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0050821" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:1901796" version="SP_193"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR001394" version="SP_193"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR018200" version="SP_193"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0030332" version="SP_193"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR028889" version="SP_193"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR038765" version="SP_193"/>
          <secondaryRef db="mint" dbAc="MI:0471" id="O75604" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2HD5" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2IBI" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="3NHE" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="3V6C" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="3V6E" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5XU8" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="5XVE" version="SP_193"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="6DGF" version="SP_193"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5357786" version="SP_193"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5357905" version="SP_193"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5357956" version="SP_193"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-5689880" version="SP_193"/>
          <secondaryRef db="reactome" dbAc="MI:0467" id="R-HSA-6804757" version="SP_193"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="NP_001230688.1"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="XP_005271778.1"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="XP_005271779.1"/>
          <secondaryRef db="dip" dbAc="MI:0465" id="DIP-29134N"/>
        </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="intact" dbAc="MI:0469" id="EBI-619654" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
            <secondaryRef db="so" dbAc="MI:0601" id="SO:0000358" refType="see-also" refTypeAc="MI:0361"/>
          </xref>
        </interactorType>
        <organism ncbiTaxId="9606">
          <names>
            <shortLabel>human</shortLabel>
            <fullName>Homo sapiens</fullName>
            <alias type="synonym" typeAc="MI:1041">Human</alias>
          </names>
        </organism>
        <sequence>MSQLSSTLKRYTESARYTDAHYAKSGYGAYTPSSYGANLAASLLEKEKLGFKPVPTSSFLTRPRTYGPSSLLDYDRGRPLLRPDITGGGKRAESQTRGTERPLGSGLSGGSGFPYGVTNNCLSYLPINAYDQGVTLTQKLDSQSDLARDFSSLRTSDSYRIDPRNLGRSPMLARTRKELCTLQGLYQTASCPEYLVDYLENYGRKGSASQVPSQAPPSRVPEIISPTYRPIGRYTLWETGKGQAPGPSRSSSPGRDGMNSKSAQGLAGLRNLGNTCFMNSILQCLSNTRELRDYCLQRLYMRDLHHGSNAHTALVEEFAKLIQTIWTSSPNDVVSPSEFKTQIQRYAPRFVGYNQQDAQEFLRFLLDGLHNEVNRVTLRPKSNPENLDHLPDDEKGRQMWRKYLEREDSRIGDLFVGQLKSSLTCTDCGYCSTVFDPFWDLSLPIAKRGYPEVTLMDCMRLFTKEDVLDGDEKPTCCRCRGRKRCIKKFSIQRFPKILVLHLKRFSESRIRTSKLTTFVNFPLRDLDLREFASENTNHAVYNLYAVSNHSGTTMGGHYTAYCRSPGTGEWHTFNDSSVTPMSSSQVRTSDAYLLFYELASPPSRM</sequence>
        <attributeList>
          <attribute name="remark-internal">DIP protein O75604 original sequence version: 57</attribute>
          <attribute name="crc64">AFF4DA9344D21812</attribute>
        </attributeList>
      </interactor>
    </interactorList>
    <interactionList>
      <interaction id="8" imexId="IM-8454-1">
        <names>
          <shortLabel>ubb-uchl3-1</shortLabel>
        </names>
        <xref>
          <primaryRef db="dip" dbAc="MI:0465" id="DIP-57144E" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-15596123" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="psi-mi" dbAc="MI:0488" id="MI:0465" refType="imex source"/>
          <secondaryRef db="imex" dbAc="MI:0670" id="IM-8454-1" refType="imex-primary" refTypeAc="MI:0662"/>
        </xref>
        <experimentList>
          <experimentRef>3</experimentRef>
        </experimentList>
        <participantList>
          <participant id="9">
            <interactorRef>4</interactorRef>
            <biologicalRole>
              <names>
                <shortLabel>enzyme target</shortLabel>
                <fullName>enzyme target</fullName>
                <alias type="go synonym" typeAc="MI:0303">substrate</alias>
                <alias type="synonym" typeAc="MI:1041">substrate</alias>
              </names>
              <xref>
                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0502" refType="identity" refTypeAc="MI:0356"/>
                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-64" 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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <featureList>
              <feature id="10">
                <names>
                  <shortLabel>region 1-76</shortLabel>
                  <fullName>region 1-76</fullName>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-15596129" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <featureType>
                  <names>
                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
                    <alias type="synonym" typeAc="MI:1041">sufficient to bind</alias>
                  </names>
                  <xref>
                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0442" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608899" 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 type="synonym" typeAc="MI:1041">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="1"/>
                    <endStatus>
                      <names>
                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">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="76"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </participant>
          <participant id="11">
            <interactorRef>6</interactorRef>
            <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="intact" dbAc="MI:0469" id="EBI-46" 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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </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>
      </interaction>
      <interaction id="12" imexId="IM-8454-2">
        <names>
          <shortLabel>ubb-usp2-1</shortLabel>
        </names>
        <xref>
          <primaryRef db="dip" dbAc="MI:0465" id="DIP-57146E" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-15596142" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="psi-mi" dbAc="MI:0488" id="MI:0465" refType="imex source"/>
          <secondaryRef db="imex" dbAc="MI:0670" id="IM-8454-2" refType="imex-primary" refTypeAc="MI:0662"/>
        </xref>
        <experimentList>
          <experimentRef>2</experimentRef>
        </experimentList>
        <participantList>
          <participant id="13">
            <interactorRef>7</interactorRef>
            <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="intact" dbAc="MI:0469" id="EBI-46" 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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <featureList>
              <feature id="14">
                <names>
                  <shortLabel>Region 259-605</shortLabel>
                  <fullName>Region 259-605</fullName>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-15596150" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <featureType>
                  <names>
                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
                    <alias type="synonym" typeAc="MI:1041">sufficient to bind</alias>
                  </names>
                  <xref>
                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0442" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608899" 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 type="synonym" typeAc="MI:1041">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="259"/>
                    <endStatus>
                      <names>
                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">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="605"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </participant>
          <participant id="15">
            <interactorRef>4</interactorRef>
            <biologicalRole>
              <names>
                <shortLabel>enzyme target</shortLabel>
                <fullName>enzyme target</fullName>
                <alias type="go synonym" typeAc="MI:0303">substrate</alias>
                <alias type="synonym" typeAc="MI:1041">substrate</alias>
              </names>
              <xref>
                <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0502" refType="identity" refTypeAc="MI:0356"/>
                <secondaryRef db="intact" dbAc="MI:0469" id="EBI-64" 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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <featureList>
              <feature id="16">
                <names>
                  <shortLabel>region 1-76</shortLabel>
                  <fullName>region 1-76</fullName>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-15596147" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <featureType>
                  <names>
                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
                    <alias type="synonym" typeAc="MI:1041">sufficient to bind</alias>
                  </names>
                  <xref>
                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0442" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608899" 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 type="synonym" typeAc="MI:1041">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="1"/>
                    <endStatus>
                      <names>
                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">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="76"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </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>
      </interaction>
      <interaction id="17" imexId="IM-8454-3">
        <names>
          <shortLabel>sigma u6253-usp2-1</shortLabel>
        </names>
        <xref>
          <primaryRef db="dip" dbAc="MI:0465" id="DIP-57145E" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-15596163" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="psi-mi" dbAc="MI:0488" id="MI:0465" refType="imex source"/>
          <secondaryRef db="imex" dbAc="MI:0670" id="IM-8454-3" refType="imex-primary" refTypeAc="MI:0662"/>
        </xref>
        <experimentList>
          <experimentRef>1</experimentRef>
        </experimentList>
        <participantList>
          <participant id="18">
            <interactorRef>5</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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </participant>
          <participant id="19">
            <interactorRef>7</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>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-1383079" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <featureList>
              <feature id="20">
                <names>
                  <shortLabel>Region 259-605</shortLabel>
                  <fullName>Region 259-605</fullName>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-15596168" refType="identity" refTypeAc="MI:0356"/>
                </xref>
                <featureType>
                  <names>
                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
                    <alias type="synonym" typeAc="MI:1041">sufficient to bind</alias>
                  </names>
                  <xref>
                    <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0442" refType="identity" refTypeAc="MI:0356"/>
                    <secondaryRef db="intact" dbAc="MI:0469" id="EBI-608899" 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 type="synonym" typeAc="MI:1041">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="259"/>
                    <endStatus>
                      <names>
                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">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="605"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="562">
                <names>
                  <shortLabel>ecolx</shortLabel>
                  <fullName>Escherichia coli</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
          </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>
      </interaction>
    </interactionList>
  </entry>
</entrySet>