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9DQ4

Crystal structure of engineered Ipilimumab (mipi.4) Fab in complex with mouse CTLA-4

Functional Information from GO Data
ChainGOidnamespacecontents
A0006955biological_processimmune response
A0016020cellular_componentmembrane
A0042129biological_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 Residues4
DetailsRegion: {"description":"Homodimerization","evidences":[{"source":"UniProtKB","id":"P16410","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsRegion: {"description":"Important for interaction with CD80 and CD86","evidences":[{"source":"UniProtKB","id":"P16410","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

257629

PDB entries from 2026-08-05

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