#ID(s) interactor A ID(s) interactor B Alt. ID(s) interactor A Alt. ID(s) interactor B Alias(es) interactor A Alias(es) interactor B Interaction detection method(s) Publication 1st author(s) Publication Identifier(s) Taxid interactor A Taxid interactor B Interaction type(s) Source database(s) Interaction identifier(s) Confidence value(s) Expansion method(s) Biological role(s) interactor A Biological role(s) interactor B Experimental role(s) interactor A Experimental role(s) interactor B Type(s) interactor A Type(s) interactor B Xref(s) interactor A Xref(s) interactor B Interaction Xref(s) Annotation(s) interactor A Annotation(s) interactor B Interaction annotation(s) Host organism(s) Interaction parameter(s) Creation date Update date Checksum(s) interactor A Checksum(s) interactor B Interaction Checksum(s) Negative Feature(s) interactor A Feature(s) interactor B Stoichiometry(s) interactor A Stoichiometry(s) interactor B Identification method participant A Identification method participant B uniprotkb:P02745 uniprotkb:P02746 intact:EBI-1220209|uniprotkb:Q5T963|uniprotkb:B2R4X2|ensembl:ENSP00000363773|ensembl:ENSP00000385564 intact:EBI-2813376|uniprotkb:Q96H17|uniprotkb:Q5T959 psi-mi:c1qa_human(display_long)|uniprotkb:C1QA(gene name)|psi-mi:C1QA(display_short) psi-mi:c1qb_human(display_long)|uniprotkb:C1QB(gene name)|psi-mi:C1QB(display_short) psi-mi:"MI:0004"(affinity chromatography technology) Gaboriaud et al. (2003) pubmed:12960167|imex:IM-17661 taxid:9606(human)|taxid:9606(Homo sapiens) taxid:9606(human)|taxid:9606(Homo sapiens) psi-mi:"MI:0914"(association) psi-mi:"MI:0469"(IntAct) intact:EBI-6264851|imex:IM-17661-1 - psi-mi:"MI:1060"(spoke expansion) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0326"(protein) psi-mi:"MI:0326"(protein) refseq:NP_057075.1|refseq:NP_001334394.1|refseq:NP_001334395.1|ensembl:ENSG00000173372(gene)|ensembl:ENST00000374642(transcript)|ensembl:ENST00000402322(transcript)|go:"GO:0001540"(amyloid-beta binding)|go:"GO:0001774"(microglial cell activation)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0007267"(cell-cell signaling)|go:"GO:0007568"(aging)|go:"GO:0010039"(response to iron ion)|go:"GO:0016322"(neuron remodeling)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0048143"(astrocyte activation)|go:"GO:0050808"(synapse organization)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|go:"GO:0150062"(complement-mediated synapse pruning)|go:"GO:0150064"(vertebrate eye-specific patterning)|go:"GO:1901216"(positive regulation of neuron death)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|interpro:IPR037572|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606 refseq:NP_000482.3|rcsb pdb:6FCZ|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|refseq:XP_011540361.1|interpro:IPR037573|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0072562"(blood microparticle)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|rcsb pdb:5HKJ|rcsb pdb:5HZF|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606|rcsb pdb:6Z6V - - - full coverage:Only protein-protein interactions|curation depth:imex curation taxid:9606(human-serum)|taxid:9606(Homo sapiens) - 2012/08/07 2014/10/16 rogid:JOnVJ11QPTmKEEGIr3BAlb2j6+s9606 rogid:K8MXRS5Vqyts/FhcmJMJce4t/109606 intact-crc:92BCAE28A9413009|rigid:aMrQJ5B7N9aZ0drenoCHAnTwjC8 false sufficient binding region:107-245 sufficient binding region:108-253 - - psi-mi:"MI:0039"(edman degradation) psi-mi:"MI:0039"(edman degradation) uniprotkb:P02745 uniprotkb:P02747 intact:EBI-1220209|uniprotkb:Q5T963|uniprotkb:B2R4X2|ensembl:ENSP00000363773|ensembl:ENSP00000385564 intact:EBI-1220222|uniprotkb:Q7Z502|uniprotkb:Q96DL2|uniprotkb:Q96H05|ensembl:ENSP00000363768|ensembl:ENSP00000363770|ensembl:ENSP00000363771 psi-mi:c1qa_human(display_long)|uniprotkb:C1QA(gene name)|psi-mi:C1QA(display_short) psi-mi:c1qc_human(display_long)|uniprotkb:C1QC(gene name)|psi-mi:C1QC(display_short)|uniprotkb:C1QG(gene name synonym) psi-mi:"MI:0004"(affinity chromatography technology) Gaboriaud et al. (2003) pubmed:12960167|imex:IM-17661 taxid:9606(human)|taxid:9606(Homo sapiens) taxid:9606(human)|taxid:9606(Homo sapiens) psi-mi:"MI:0914"(association) psi-mi:"MI:0469"(IntAct) intact:EBI-6264851|imex:IM-17661-1 - psi-mi:"MI:1060"(spoke expansion) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0326"(protein) psi-mi:"MI:0326"(protein) refseq:NP_057075.1|refseq:NP_001334394.1|refseq:NP_001334395.1|ensembl:ENSG00000173372(gene)|ensembl:ENST00000374642(transcript)|ensembl:ENST00000402322(transcript)|go:"GO:0001540"(amyloid-beta binding)|go:"GO:0001774"(microglial cell activation)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0007267"(cell-cell signaling)|go:"GO:0007568"(aging)|go:"GO:0010039"(response to iron ion)|go:"GO:0016322"(neuron remodeling)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0048143"(astrocyte activation)|go:"GO:0050808"(synapse organization)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|go:"GO:0150062"(complement-mediated synapse pruning)|go:"GO:0150064"(vertebrate eye-specific patterning)|go:"GO:1901216"(positive regulation of neuron death)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|interpro:IPR037572|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606 refseq:NP_001107573.1|refseq:NP_758957.2|refseq:NP_001334548.1|ensembl:ENSG00000159189(gene)|ensembl:ENST00000374637(transcript)|ensembl:ENST00000374639(transcript)|ensembl:ENST00000374640(transcript)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0006955"(immune response)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0030853"(negative regulation of granulocyte differentiation)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0045650"(negative regulation of macrophage differentiation)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0072562"(blood microparticle)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|go:"GO:0005615"(extracellular space)|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606|rcsb pdb:2WNU - - - full coverage:Only protein-protein interactions|curation depth:imex curation taxid:9606(human-serum)|taxid:9606(Homo sapiens) - 2012/08/07 2014/10/16 rogid:JOnVJ11QPTmKEEGIr3BAlb2j6+s9606 rogid:J70D18e5i22Id/KdUGyA/dcTeME9606 intact-crc:92BCAE28A9413009|rigid:aMrQJ5B7N9aZ0drenoCHAnTwjC8 false sufficient binding region:107-245 sufficient binding region:106-245 - - psi-mi:"MI:0039"(edman degradation) psi-mi:"MI:0039"(edman degradation) uniprotkb:P02745 uniprotkb:P02746 intact:EBI-1220209|uniprotkb:Q5T963|uniprotkb:B2R4X2|ensembl:ENSP00000363773|ensembl:ENSP00000385564 intact:EBI-2813376|uniprotkb:Q96H17|uniprotkb:Q5T959 psi-mi:c1qa_human(display_long)|uniprotkb:C1QA(gene name)|psi-mi:C1QA(display_short) psi-mi:c1qb_human(display_long)|uniprotkb:C1QB(gene name)|psi-mi:C1QB(display_short) psi-mi:"MI:0114"(x-ray crystallography) Gaboriaud et al. (2003) pubmed:12960167|imex:IM-17661 taxid:9606(human)|taxid:9606(Homo sapiens) taxid:9606(human)|taxid:9606(Homo sapiens) psi-mi:"MI:0915"(physical association) psi-mi:"MI:0469"(IntAct) intact:EBI-6264878|wwpdb:1PK6|imex:IM-17661-2 - psi-mi:"MI:1060"(spoke expansion) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0497"(neutral component) psi-mi:"MI:0497"(neutral component) psi-mi:"MI:0326"(protein) psi-mi:"MI:0326"(protein) refseq:NP_057075.1|refseq:NP_001334394.1|refseq:NP_001334395.1|ensembl:ENSG00000173372(gene)|ensembl:ENST00000374642(transcript)|ensembl:ENST00000402322(transcript)|go:"GO:0001540"(amyloid-beta binding)|go:"GO:0001774"(microglial cell activation)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0007267"(cell-cell signaling)|go:"GO:0007568"(aging)|go:"GO:0010039"(response to iron ion)|go:"GO:0016322"(neuron remodeling)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0048143"(astrocyte activation)|go:"GO:0050808"(synapse organization)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|go:"GO:0150062"(complement-mediated synapse pruning)|go:"GO:0150064"(vertebrate eye-specific patterning)|go:"GO:1901216"(positive regulation of neuron death)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|interpro:IPR037572|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606 refseq:NP_000482.3|rcsb pdb:6FCZ|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|refseq:XP_011540361.1|interpro:IPR037573|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0072562"(blood microparticle)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|rcsb pdb:5HKJ|rcsb pdb:5HZF|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606|rcsb pdb:6Z6V - - - figure legend:Table 1|3d-resolution:1.85A|3d-r-factors:Rworking = 0.2 Rfree = 0.24|full coverage:Only protein-protein interactions|curation depth:imex curation taxid:9606(human-serum)|taxid:9606(Homo sapiens) - 2012/08/07 2014/10/16 rogid:JOnVJ11QPTmKEEGIr3BAlb2j6+s9606 rogid:K8MXRS5Vqyts/FhcmJMJce4t/109606 intact-crc:5CCE0292F92EBAD2|rigid:aMrQJ5B7N9aZ0drenoCHAnTwjC8 false sufficient binding region:112-244 sufficient binding region:119-250 - - psi-mi:"MI:0396"(predetermined participant) psi-mi:"MI:0396"(predetermined participant) uniprotkb:P02745 uniprotkb:P02747 intact:EBI-1220209|uniprotkb:Q5T963|uniprotkb:B2R4X2|ensembl:ENSP00000363773|ensembl:ENSP00000385564 intact:EBI-1220222|uniprotkb:Q7Z502|uniprotkb:Q96DL2|uniprotkb:Q96H05|ensembl:ENSP00000363768|ensembl:ENSP00000363770|ensembl:ENSP00000363771 psi-mi:c1qa_human(display_long)|uniprotkb:C1QA(gene name)|psi-mi:C1QA(display_short) psi-mi:c1qc_human(display_long)|uniprotkb:C1QC(gene name)|psi-mi:C1QC(display_short)|uniprotkb:C1QG(gene name synonym) psi-mi:"MI:0114"(x-ray crystallography) Gaboriaud et al. (2003) pubmed:12960167|imex:IM-17661 taxid:9606(human)|taxid:9606(Homo sapiens) taxid:9606(human)|taxid:9606(Homo sapiens) psi-mi:"MI:0915"(physical association) psi-mi:"MI:0469"(IntAct) intact:EBI-6264878|wwpdb:1PK6|imex:IM-17661-2 - psi-mi:"MI:1060"(spoke expansion) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0499"(unspecified role) psi-mi:"MI:0497"(neutral component) psi-mi:"MI:0497"(neutral component) psi-mi:"MI:0326"(protein) psi-mi:"MI:0326"(protein) refseq:NP_057075.1|refseq:NP_001334394.1|refseq:NP_001334395.1|ensembl:ENSG00000173372(gene)|ensembl:ENST00000374642(transcript)|ensembl:ENST00000402322(transcript)|go:"GO:0001540"(amyloid-beta binding)|go:"GO:0001774"(microglial cell activation)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0005602"(complement component C1 complex)|go:"GO:0006956"(complement activation)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0007267"(cell-cell signaling)|go:"GO:0007568"(aging)|go:"GO:0010039"(response to iron ion)|go:"GO:0016322"(neuron remodeling)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0048143"(astrocyte activation)|go:"GO:0050808"(synapse organization)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|go:"GO:0150062"(complement-mediated synapse pruning)|go:"GO:0150064"(vertebrate eye-specific patterning)|go:"GO:1901216"(positive regulation of neuron death)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|interpro:IPR037572|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|rcsb pdb:2WNU|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606 refseq:NP_001107573.1|refseq:NP_758957.2|refseq:NP_001334548.1|ensembl:ENSG00000159189(gene)|ensembl:ENST00000374637(transcript)|ensembl:ENST00000374639(transcript)|ensembl:ENST00000374640(transcript)|go:"GO:0005576"(extracellular region)|go:"GO:0005581"(collagen trimer)|go:"GO:0006955"(immune response)|go:"GO:0006958"(complement activation, classical pathway)|go:"GO:0030853"(negative regulation of granulocyte differentiation)|go:"GO:0045087"(innate immune response)|go:"GO:0045202"(synapse)|go:"GO:0045650"(negative regulation of macrophage differentiation)|go:"GO:0062023"(collagen-containing extracellular matrix)|go:"GO:0072562"(blood microparticle)|go:"GO:0098794"(postsynapse)|go:"GO:0098883"(synapse pruning)|interpro:IPR001073(Complement C1q protein)|interpro:IPR008160(Collagen triple helix repeat)|interpro:IPR008983(Tumour necrosis factor-like)|rcsb pdb:1PK6|rcsb pdb:2JG8|rcsb pdb:2JG9|go:"GO:0005615"(extracellular space)|rcsb pdb:2WNV|rcsb pdb:5HKJ|rcsb pdb:5HZF|rcsb pdb:6FCZ|rcsb pdb:6Z6V|reactome:R-HSA-166663|reactome:R-HSA-173623|reactome:R-HSA-977606|rcsb pdb:2WNU - - - figure legend:Table 1|3d-resolution:1.85A|3d-r-factors:Rworking = 0.2 Rfree = 0.24|full coverage:Only protein-protein interactions|curation depth:imex curation taxid:9606(human-serum)|taxid:9606(Homo sapiens) - 2012/08/07 2014/10/16 rogid:JOnVJ11QPTmKEEGIr3BAlb2j6+s9606 rogid:J70D18e5i22Id/KdUGyA/dcTeME9606 intact-crc:5CCE0292F92EBAD2|rigid:aMrQJ5B7N9aZ0drenoCHAnTwjC8 false sufficient binding region:112-244 sufficient binding region:117-245 - - psi-mi:"MI:0396"(predetermined participant) psi-mi:"MI:0396"(predetermined participant)