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4KJU

Crystal structure of XIAP-Bir2 with a bound benzodiazepinone inhibitor.

Functional Information from GO Data
ChainGOidnamespacecontents
A0043027molecular_functioncysteine-type endopeptidase inhibitor activity involved in apoptotic process
A0043066biological_processnegative regulation of apoptotic process
C0043027molecular_functioncysteine-type endopeptidase inhibitor activity involved in apoptotic process
C0043066biological_processnegative regulation of apoptotic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 501
ChainResidue
ACYS200
ACYS203
AHIS220
ACYS227

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 1RH A 502
ChainResidue
AASN209
AASN209
ATRP210
AGLU211
AASP214
AGLU219
AARG222
AHIS223
AHOH658
AGLN197
ALYS206
ALEU207
ALYS208
ALYS208

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 501
ChainResidue
CCYS200
CCYS203
CHIS220
CCYS227

Functional Information from PROSITE/UniProt
site_idPS01282
Number of Residues68
DetailsBIR_REPEAT_1 BIR repeat. EeaRlksfqn.Wpdyahltprelas.AGLyYtgigDqvqCfaCggklknWepgdrawseHrrhfPnCffV
ChainResidueDetails
AGLU163-VAL230

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues134
DetailsRepeat: {"description":"BIR 2"}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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