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1ICE

STRUCTURE AND MECHANISM OF INTERLEUKIN-1BETA CONVERTING ENZYME

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 Residues12
DetailsBINDING SITE FOR CHAIN T OF TETRAPEPTIDE ALDEHYDE
ChainResidue
AARG179
BPRO343
BVAL348
BARG383
AHIS237
AGLN283
ACYS285
BVAL338
BSER339
BTRP340
BARG341
BHIS342

Functional Information from PROSITE/UniProt
site_idPS01121
Number of Residues15
DetailsCASPASE_HIS Caspase family histidine active site. HktsdStfLvFMSHG
ChainResidueDetails
AHIS224-GLY238

site_idPS01122
Number of Residues12
DetailsCASPASE_CYS Caspase family cysteine active site. KPKVIIIQACRG
ChainResidueDetails
ALYS276-GLY287

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PubMed","id":"1574116","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PubMed","id":"1574116","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32051255","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"30065070","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1qx3
ChainResidueDetails
ACYS285
AHIS237
AGLY238

site_idMCSA1
Number of Residues1
DetailsM-CSA 718
ChainResidueDetails
AHIS237proton acceptor, proton donor
AGLY238electrostatic stabiliser
ACYS285nucleofuge, nucleophile, proton acceptor, proton donor
AARG286electrostatic stabiliser

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PDB entries from 2025-12-10

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