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  <entry>
    <source releaseDate="2022-02-04">
      <names>
        <shortLabel>IntAct</shortLabel>
        <fullName>European Bioinformatics Institute</fullName>
        <alias type="synonym" typeAc="MI:1041">IntAct</alias>
        <alias type="synonym" typeAc="MI:1041">intact</alias>
      </names>
      <bibref>
        <xref>
          <primaryRef db="pubmed" dbAc="MI:0446" id="14681455" refType="primary-reference" refTypeAc="MI:0358"/>
        </xref>
      </bibref>
      <xref>
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        <secondaryRef db="pubmed" dbAc="MI:0446" id="19850723" refType="method reference" refTypeAc="MI:0357"/>
      </xref>
      <attributeList>
        <attribute name="url" nameAc="MI:0614">http://www.ebi.ac.uk/</attribute>
        <attribute name="search-url" nameAc="MI:0615">http://www.ebi.ac.uk/intact/query/${ac}</attribute>
        <attribute name="id-validation-regexp" nameAc="MI:0628">EBI-[0-9]+|IA:[0-9]+</attribute>
        <attribute name="definition">INTerAction database (IntAct) provides an open source database and toolkit for the storage, presentation and analysis of molecular interactions.</attribute>
        <attribute name="url" nameAc="MI:0614">http://www.ebi.ac.uk/intact</attribute>
        <attribute name="postaladdress">European Bioinformatics Institute; Wellcome Trust Genome Campus; Hinxton, Cambridge; CB10 1SD; United Kingdom</attribute>
        <attribute name="url" nameAc="MI:0614">http://www.ebi.ac.uk/intact/</attribute>
      </attributeList>
    </source>
    <experimentList>
      <experimentDescription id="1">
        <names>
          <fullName>Kinetic and structural characterization of urease active site variants.</fullName>
        </names>
        <bibref>
          <xref>
            <primaryRef db="pubmed" dbAc="MI:0446" id="10913264" refType="primary-reference" refTypeAc="MI:0358"/>
            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1991526" refType="identity" refTypeAc="MI:0356"/>
          </xref>
          <attributeList>
            <attribute name="publication title" nameAc="MI:1091">Kinetic and structural characterization of urease active site variants.</attribute>
            <attribute name="journal" nameAc="MI:0885">Biochemistry (0006-2960)</attribute>
            <attribute name="publication year" nameAc="MI:0886">2000</attribute>
            <attribute name="author-list" nameAc="MI:0636">Pearson MA., Park IS., Schaller RA., Michel LO., Karplus PA., Hausinger RP.</attribute>
            <attribute name="dataset" nameAc="MI:0875">PDBe - Data obtained from the Protein Data Bank Europe</attribute>
          </attributeList>
        </bibref>
        <xref>
          <primaryRef db="pubmed" dbAc="MI:0446" id="10913264" refType="primary-reference" refTypeAc="MI:0358"/>
        </xref>
        <hostOrganismList>
          <hostOrganism ncbiTaxId="-1">
            <names>
              <shortLabel>in vitro</shortLabel>
              <fullName>In vitro</fullName>
            </names>
          </hostOrganism>
        </hostOrganismList>
        <interactionDetectionMethod>
          <names>
            <shortLabel>x-ray diffraction</shortLabel>
            <fullName>x-ray crystallography</fullName>
            <alias type="go synonym" typeAc="MI:0303">X-ray</alias>
            <alias type="synonym" typeAc="MI:1041">X-ray</alias>
            <alias type="synonym" typeAc="MI:1041">x-ray diffraction</alias>
          </names>
          <xref>
            <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0114" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1272" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
          </xref>
        </interactionDetectionMethod>
        <participantIdentificationMethod>
          <names>
            <shortLabel>predetermined</shortLabel>
            <fullName>predetermined participant</fullName>
            <alias type="synonym" typeAc="MI:1041">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>
        <attributeList>
          <attribute name="author-list" nameAc="MI:0636">Pearson MA., Park IS., Schaller RA., Michel LO., Karplus PA., Hausinger RP.</attribute>
          <attribute name="dataset" nameAc="MI:0875">PDBe - Data obtained from the Protein Data Bank Europe</attribute>
          <attribute name="accepted"/>
          <attribute name="journal" nameAc="MI:0885">Biochemistry (0006-2960)</attribute>
          <attribute name="publication year" nameAc="MI:0886">2000</attribute>
        </attributeList>
      </experimentDescription>
    </experimentList>
    <interactorList>
      <interactor id="2">
        <names>
          <shortLabel>ure2_kleae</shortLabel>
          <fullName>Urease subunit beta</fullName>
          <alias type="gene name" typeAc="MI:0301">ureB</alias>
          <alias type="gene name synonym" typeAc="MI:0302">Urea amidohydrolase subunit beta</alias>
        </names>
        <xref>
          <primaryRef db="uniprotkb" dbAc="MI:0486" id="P18315" version="SP_65" refType="identity" refTypeAc="MI:0356"/>
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          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR002019"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5K"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5L"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5M"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5N"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5O"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EF2"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJR"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJS"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJV"/>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWE"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWF"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWG"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWH"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWI"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJT"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJU"/>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRA"/>
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          <secondaryRef db="go" dbAc="MI:0448" id="GO:0009039" version="SP_128"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0035550" version="SP_128"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0043419" version="SP_128"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EP8"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPD"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPE"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036461"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="WP_002916872.1"/>
        </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="548">
          <names>
            <shortLabel>entae</shortLabel>
            <fullName>Enterobacter aerogenes</fullName>
            <alias type="synonym" typeAc="MI:1041">Aerobacter aerogenes</alias>
          </names>
        </organism>
        <sequence>MIPGEYHVKPGQIALNTGRATCRVVVENHGDRPIQVGSHYHFAEVNPALKFDRQQAAGYRLNIPAGTAVRFEPGQKREVELVAFAGHRAVFGFRGEVMGPLEVNDE</sequence>
        <attributeList>
          <attribute name="crc64">A232BFCD74864EA6</attribute>
        </attributeList>
      </interactor>
      <interactor id="3">
        <names>
          <shortLabel>ure3_kleae</shortLabel>
          <fullName>Urease subunit gamma</fullName>
          <alias type="gene name" typeAc="MI:0301">ureA</alias>
          <alias type="gene name synonym" typeAc="MI:0302">Urea amidohydrolase subunit gamma</alias>
        </names>
        <xref>
          <primaryRef db="uniprotkb" dbAc="MI:0486" id="P18316" version="SP_59" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1028581" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR002026"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR012010"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5K"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5L"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5M"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5N"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5O"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EF2"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJR"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJS"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJT"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJU"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJV"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJW"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJX"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWA"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWC"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWD"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWE"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWF"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWG"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWH"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWI"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWJ"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRA"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRC"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2KAU"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005737" version="SP_130"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0009039" version="SP_130"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016151" version="SP_130"/>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EP8"/>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPE"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR036463"/>
          <secondaryRef db="refseq" dbAc="MI:0481" id="WP_002916871.1"/>
        </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="548">
          <names>
            <shortLabel>entae</shortLabel>
            <fullName>Enterobacter aerogenes</fullName>
            <alias type="synonym" typeAc="MI:1041">Aerobacter aerogenes</alias>
          </names>
        </organism>
        <sequence>MELTPREKDKLLLFTAALVAERRLARGLKLNYPESVALISAFIMEGARDGKSVASLMEEGRHVLTREQVMEGVPEMIPDIQVEATFPDGSKLVTVHNPII</sequence>
        <attributeList>
          <attribute name="crc64">C5B9E7FAF615C04D</attribute>
        </attributeList>
      </interactor>
      <interactor id="4">
        <names>
          <shortLabel>ure1_kleae</shortLabel>
          <fullName>Urease subunit alpha</fullName>
          <alias type="gene name" typeAc="MI:0301">ureC</alias>
          <alias type="gene name synonym" typeAc="MI:0302">Urea amidohydrolase subunit alpha</alias>
        </names>
        <xref>
          <primaryRef db="uniprotkb" dbAc="MI:0486" id="P18314" version="SP_79" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1028571" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR006680"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR011059"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR011612"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR005848"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR017951"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR017950"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5K"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5L"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5M"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5N"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1A5O"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EF2"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJR"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJS"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJT"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJU"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJV"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJW"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJX"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWA"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWC"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWD"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWE"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWF"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWG"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWH"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1FWI"/>
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          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="1KRC"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="2KAU"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0005737" version="SP_155"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0009039" version="SP_155"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0016151" version="SP_155"/>
          <secondaryRef db="go" dbAc="MI:0448" id="GO:0043419" version="SP_155"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR032466"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EP8"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPB"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPD"/>
          <secondaryRef db="rcsb pdb" dbAc="MI:0460" id="4EPE"/>
          <secondaryRef db="interpro" dbAc="MI:0449" id="IPR029754"/>
        </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="548">
          <names>
            <shortLabel>entae</shortLabel>
            <fullName>Enterobacter aerogenes</fullName>
            <alias type="synonym" typeAc="MI:1041">Aerobacter aerogenes</alias>
          </names>
        </organism>
        <sequence>MSNISRQAYADMFGPTVGDKVRLADTELWIEVEDDLTTYGEEVKFGGGKVIRDGMGQGQMLAADCVDLVLTNALIVDHWGIVKADIGVKDGRIFAIGKAGNPDIQPNVTIPIGAATEVIAAEGKIVTAGGIDTHIHWICPQQAEEALVSGVTTMVGGGTGPAAGTHATTCTPGPWYISRMLQAADSLPVNIGLLGKGNVSQPDALREQVAAGVIGLKIHEDWGATPAAIDCALTVADEMDIQVALHSDTLNESGFVEDTLAAIGGRTIHTFHTEGAGGGHAPDIITACAHPNILPSSTNPTLPYTLNTIDEHLDMLMVCHHLDPDIAEDVAFAESRIRRETIAAEDVLHDLGAFSLTSSDSQAMGRVGEVILRTWQVAHRMKVQRGALAEETGDNDNFRVKRYIAKYTINPALTHGIAHEVGSIEVGKLADLVVWSPAFFGVKPATVIKGGMIAIAPMGDINASIPTPQPVHYRPMFGALGSARHHCRLTFLSQAAAANGVAERLNLRSAIAVVKGCRTVQKADMVHNSLQPNITVDAQTYEVRVDGELITSEPADVLPMAQRYFLF</sequence>
        <attributeList>
          <attribute name="crc64">2ECF3C4268A2E2C7</attribute>
        </attributeList>
      </interactor>
    </interactorList>
    <interactionList>
      <interaction id="5">
        <names>
          <shortLabel>urea-ureb-2</shortLabel>
        </names>
        <xref>
          <primaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJR" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1029704" refType="identity" refTypeAc="MI:0356"/>
        </xref>
        <experimentList>
          <experimentRef>1</experimentRef>
        </experimentList>
        <participantList>
          <participant id="6">
            <interactorRef>3</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="7">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029712" 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>
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                    <end position="100"/>
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            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
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          <participant id="8">
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                <fullName>unspecified role</fullName>
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            </biologicalRole>
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              <experimentalRole>
                <names>
                  <shortLabel>neutral component</shortLabel>
                  <fullName>neutral component</fullName>
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                <xref>
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            <featureList>
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                  <shortLabel>region</shortLabel>
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                <featureType>
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                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
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                    <end position="101"/>
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            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
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          <participant id="10">
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                <shortLabel>unspecified role</shortLabel>
                <fullName>unspecified role</fullName>
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              <experimentalRole>
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                  <shortLabel>neutral component</shortLabel>
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            <featureList>
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                  <shortLabel>region</shortLabel>
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                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029706" refType="identity" refTypeAc="MI:0356"/>
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                <featureType>
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                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
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                    <end position="567"/>
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              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
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            <shortLabel>physical association</shortLabel>
            <fullName>physical association</fullName>
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          <attribute name="3d-r-factors" nameAc="MI:0631">working 83.900%</attribute>
          <attribute name="3d-resolution" nameAc="MI:0632">2A</attribute>
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      </interaction>
      <interaction id="12">
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          <shortLabel>urea-ureb-3</shortLabel>
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                <shortLabel>unspecified role</shortLabel>
                <fullName>unspecified role</fullName>
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              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
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                    <end position="100"/>
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              </feature>
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            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
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                <shortLabel>unspecified role</shortLabel>
                <fullName>unspecified role</fullName>
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                    <end position="567"/>
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              </feature>
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            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
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            <stoichiometry value="1"/>
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        </participantList>
        <interactionType>
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            <shortLabel>physical association</shortLabel>
            <fullName>physical association</fullName>
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        <attributeList>
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          <attribute name="3d-resolution" nameAc="MI:0632">2A</attribute>
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      </interaction>
      <interaction id="19">
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          <shortLabel>urea-ureb-4</shortLabel>
        </names>
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          <primaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJT" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1029732" refType="identity" refTypeAc="MI:0356"/>
        </xref>
        <experimentList>
          <experimentRef>1</experimentRef>
        </experimentList>
        <participantList>
          <participant id="20">
            <interactorRef>2</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="21">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029740" 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"/>
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                </featureType>
                <featureRangeList>
                  <featureRange>
                    <startStatus>
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                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">certain</alias>
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                      <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"/>
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                    <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"/>
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                    <end position="101"/>
                  </featureRange>
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              </feature>
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            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </participant>
          <participant id="22">
            <interactorRef>4</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="23">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029737" 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="567"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </participant>
          <participant id="24">
            <interactorRef>3</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="25">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029734" 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"/>
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                      <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"/>
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                    </endStatus>
                    <end position="100"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </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="intact" dbAc="MI:0469" id="EBI-1813147" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
          </xref>
        </interactionType>
        <attributeList>
          <attribute name="assembly">nonameric, multimeric</attribute>
          <attribute name="3d-r-factors" nameAc="MI:0631">working 82.700%</attribute>
          <attribute name="3d-resolution" nameAc="MI:0632">2A</attribute>
        </attributeList>
      </interaction>
      <interaction id="26">
        <names>
          <shortLabel>urea-ureb-5</shortLabel>
        </names>
        <xref>
          <primaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJU" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1029746" refType="identity" refTypeAc="MI:0356"/>
        </xref>
        <experimentList>
          <experimentRef>1</experimentRef>
        </experimentList>
        <participantList>
          <participant id="27">
            <interactorRef>4</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="28">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029754" refType="identity" refTypeAc="MI:0356"/>
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                <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>
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                    <startStatus>
                      <names>
                        <shortLabel>certain</shortLabel>
                        <fullName>certain sequence position</fullName>
                        <alias type="synonym" typeAc="MI:1041">certain</alias>
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                      <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"/>
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                    </startStatus>
                    <begin position="1"/>
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                      <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="567"/>
                  </featureRange>
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              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
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          <participant id="29">
            <interactorRef>2</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>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="intact" dbAc="MI:0469" id="EBI-55" refType="identity" refTypeAc="MI:0356"/>
                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
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            <featureList>
              <feature id="30">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029751" refType="identity" refTypeAc="MI:0356"/>
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                <featureType>
                  <names>
                    <shortLabel>sufficient to bind</shortLabel>
                    <fullName>sufficient binding region</fullName>
                    <alias type="synonym" typeAc="MI:1041">sufficient to bind</alias>
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                </featureType>
                <featureRangeList>
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                        <fullName>certain sequence position</fullName>
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                        <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"/>
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                    </startStatus>
                    <begin position="1"/>
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                      <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="101"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </participant>
          <participant id="31">
            <interactorRef>3</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="32">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029748" refType="identity" refTypeAc="MI:0356"/>
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                <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="100"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </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="intact" dbAc="MI:0469" id="EBI-1813147" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
          </xref>
        </interactionType>
        <attributeList>
          <attribute name="assembly">nonameric, multimeric</attribute>
          <attribute name="3d-r-factors" nameAc="MI:0631">working 81.300%</attribute>
          <attribute name="3d-resolution" nameAc="MI:0632">2A</attribute>
        </attributeList>
      </interaction>
      <interaction id="33">
        <names>
          <shortLabel>urea-ureb-6</shortLabel>
        </names>
        <xref>
          <primaryRef db="rcsb pdb" dbAc="MI:0460" id="1EJV" refType="identity" refTypeAc="MI:0356"/>
          <secondaryRef db="intact" dbAc="MI:0469" id="EBI-1029760" refType="identity" refTypeAc="MI:0356"/>
        </xref>
        <experimentList>
          <experimentRef>1</experimentRef>
        </experimentList>
        <participantList>
          <participant id="34">
            <interactorRef>3</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>neutral component</shortLabel>
                  <fullName>neutral component</fullName>
                </names>
                <xref>
                  <primaryRef db="psi-mi" dbAc="MI:0488" id="MI:0497" refType="identity" refTypeAc="MI:0356"/>
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                  <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
                </xref>
              </experimentalRole>
            </experimentalRoleList>
            <featureList>
              <feature id="35">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029768" refType="identity" refTypeAc="MI:0356"/>
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                <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>
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                        <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"/>
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                    </endStatus>
                    <end position="100"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </participant>
          <participant id="36">
            <interactorRef>4</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="37">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029765" 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>
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                    <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="567"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </participant>
          <participant id="38">
            <interactorRef>2</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>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="intact" dbAc="MI:0469" id="EBI-55" 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="39">
                <names>
                  <shortLabel>region</shortLabel>
                </names>
                <xref>
                  <primaryRef db="intact" dbAc="MI:0469" id="EBI-1029762" 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"/>
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                </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"/>
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                      <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="101"/>
                  </featureRange>
                </featureRangeList>
              </feature>
            </featureList>
            <hostOrganismList>
              <hostOrganism ncbiTaxId="83333">
                <names>
                  <shortLabel>ecoli</shortLabel>
                  <fullName>Escherichia coli (strain K12)</fullName>
                </names>
              </hostOrganism>
            </hostOrganismList>
            <stoichiometry value="1"/>
          </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="intact" dbAc="MI:0469" id="EBI-1813147" refType="identity" refTypeAc="MI:0356"/>
            <secondaryRef db="pubmed" dbAc="MI:0446" id="14755292" refType="primary-reference" refTypeAc="MI:0358"/>
          </xref>
        </interactionType>
        <attributeList>
          <attribute name="assembly">nonameric, multimeric</attribute>
          <attribute name="3d-r-factors" nameAc="MI:0631">working 81.900%</attribute>
          <attribute name="3d-resolution" nameAc="MI:0632">2.4A</attribute>
        </attributeList>
      </interaction>
    </interactionList>
  </entry>
</entrySet>