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4JQY

Human procaspase-3, crystal form 1

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"evidences":[{"source":"UniProtKB","id":"P29466","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"S-nitrosocysteine; in inhibited form","evidences":[{"source":"PubMed","id":"10213689","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"(Microbial infection) ADP-riboxanated arginine","evidences":[{"source":"PubMed","id":"35338844","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"35446120","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36423631","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 815
ChainResidueDetails
AHIS121electrostatic stabiliser, proton acceptor, proton donor
AGLY122electrostatic stabiliser
AALA163electrostatic stabiliser

site_idMCSA2
Number of Residues3
DetailsM-CSA 815
ChainResidueDetails
BHIS121electrostatic stabiliser, proton acceptor, proton donor
BGLY122electrostatic stabiliser
BALA163electrostatic stabiliser

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PDB entries from 2025-07-16

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