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2VSL

Crystal Structure of XIAP BIR3 with a Bivalent Smac Mimetic

Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE 15P A 1346
ChainResidue
APRO251
ALYS322
ATRP323
ATRP323
APRO325
AHOH2047

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1347
ChainResidue
ACYS327
ACYS300
ACYS303
AHIS320

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR CHAIN B OF PEPTIDE (MAA-LYS-PRO-PHE)
ChainResidue
ALYS297
AVAL298
ALYS299
AGLY306
ALEU307
ATHR308
AASP309
ALYS311
AGLU314
AGLN319
ATRP323
ATYR324
AHOH2044
BHOH2001
BHOH2002

Functional Information from PROSITE/UniProt
site_idPS01282
Number of Residues66
DetailsBIR_REPEAT_1 BIR repeat. YeaRiftfgt.Wiysvnkeqlar...AGFyAlgegDkvkCfhCgggltdWkpsedpweqHakwyPgCkyL
ChainResidueDetails
ATYR265-LEU330

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues65
DetailsRepeat: {"description":"BIR 3"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues15
DetailsRegion: {"description":"Required for interaction with SEPTIN4 isoform ARTS","evidences":[{"source":"PubMed","id":"21695558","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00029","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"12747801","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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