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2CJX

Extended substrate recognition in caspase-3 revealed by high resolution X-ray structure analysis

Functional Information from GO Data
ChainGOidnamespacecontents
A0004197molecular_functioncysteine-type endopeptidase activity
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
B0004197molecular_functioncysteine-type endopeptidase activity
B0006508biological_processproteolysis
B0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR CHAIN I OF PHQ-ASP-GLU-VAL-ASP-CHLOROMETHYLKETONE
ChainResidue
ASER58
BARG207
BASN208
BTRP214
BSER249
BPHE250
I0QE906
IHOH2002
IHOH2003
IHOH2004
IHOH2005
AARG64
AHIS121
AGLY122
AGLN161
ACYS163
AHOH2060
BSER205
BTRP206

Functional Information from PROSITE/UniProt
site_idPS01121
Number of Residues15
DetailsCASPASE_HIS Caspase family histidine active site. HskrsSfvCvLLSHG
ChainResidueDetails
AHIS108-GLY122

site_idPS01122
Number of Residues12
DetailsCASPASE_CYS Caspase family cysteine active site. KPKLFIIQACRG
ChainResidueDetails
ALYS154-GLY165

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsMOD_RES: (Microbial infection) ADP-riboxanated arginine => ECO:0000269|PubMed:35338844, ECO:0000269|PubMed:35446120, ECO:0000269|PubMed:36423631
ChainResidueDetails
BARG207
ACYS163

site_idSWS_FT_FI2
Number of Residues1
DetailsMOD_RES: S-nitrosocysteine; in inhibited form => ECO:0000269|PubMed:10213689
ChainResidueDetails
ACYS163

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1qx3
ChainResidueDetails
AHIS121
AGLY122
ACYS163

site_idMCSA1
Number of Residues
DetailsM-CSA 815
ChainResidueDetails
ATHR62electrostatic stabiliser
ASER63electrostatic stabiliser
AHIS121electrostatic stabiliser, proton acceptor, proton donor
AGLY122electrostatic stabiliser
ACYS163electrostatic stabiliser

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PDB entries from 2024-05-01

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