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5TRU

Structure of the first-in-class checkpoint inhibitor Ipilimumab bound to human CTLA-4

Functional Information from GO Data
ChainGOidnamespacecontents
c0006955biological_processimmune response
c0016020cellular_componentmembrane
c0042129biological_processregulation of T cell proliferation
C0006955biological_processimmune response
C0016020cellular_componentmembrane
C0042129biological_processregulation of T cell proliferation
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH
ChainResidueDetails
LTYR193-HIS199
HTYR199-HIS205

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsRegion: {"description":"Homodimerization","evidences":[{"source":"PubMed","id":"21156796","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsRegion: {"description":"Important for interaction with CD80 and CD86","evidences":[{"source":"PubMed","id":"28484017","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"11279502","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16002699","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21156796","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"11279502","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16002699","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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