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9QPY

Structure of the Complement classical and lectin pathway C3 convertase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004866molecular_functionendopeptidase inhibitor activity
A0005576cellular_componentextracellular region
A0006954biological_processinflammatory response
A0006956biological_processcomplement activation
B0004866molecular_functionendopeptidase inhibitor activity
B0005576cellular_componentextracellular region
B0006954biological_processinflammatory response
B0006956biological_processcomplement activation
C0004866molecular_functionendopeptidase inhibitor activity
C0005576cellular_componentextracellular region
C0006954biological_processinflammatory response
C0006956biological_processcomplement activation
E0004252molecular_functionserine-type endopeptidase activity
E0005576cellular_componentextracellular region
E0006508biological_processproteolysis
E0006956biological_processcomplement activation
Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
ELEU503-CYS508

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"12754519","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18780401","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27599733","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by FAM20C","evidences":[{"source":"PubMed","id":"26091039","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27599733","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) (complex) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18780401","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19139490","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"14760718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsCross-link: {"description":"Isoglutamyl cysteine thioester (Cys-Gln)","evidences":[{"source":"PubMed","id":"12367531","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues147
DetailsDomain: {"description":"NTR","evidences":[{"source":"PROSITE-ProRule","id":"PRU00295","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues198
DetailsDomain: {"description":"VWFA","evidences":[{"source":"PROSITE-ProRule","id":"PRU00219","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsMotif: {"description":"MIDAS-like motif","evidences":[{"source":"PubMed","id":"17027507","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues3
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"17027507","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17027507","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2I6Q","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17027507","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17027507","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) (complex) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17234210","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2ODQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

255900

PDB entries from 2026-07-01

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