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3E4C

Procaspase-1 zymogen domain crystal structure

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 Residues6
DetailsBINDING SITE FOR RESIDUE MG B 1
ChainResidue
AGLU368
AHOH466
BGLU368
BHOH414
BHOH435
BHOH440

Functional Information from PROSITE/UniProt
site_idPS00455
Number of Residues12
DetailsAMP_BINDING Putative AMP-binding domain signature. MPTSSGSEGnVK
ChainResidueDetails
AMET123-LYS134

site_idPS01121
Number of Residues15
DetailsCASPASE_HIS Caspase family histidine active site. HktsdStfLvFMSHG
ChainResidueDetails
AHIS224-GLY238

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:1574116
ChainResidueDetails
AHIS237
BHIS237

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:1574116, ECO:0000305|PubMed:32051255
ChainResidueDetails
AALA285
BALA285

site_idSWS_FT_FI3
Number of Residues2
DetailsMOD_RES: Phosphoserine => ECO:0000250|UniProtKB:P29452
ChainResidueDetails
BSER302
ASER302

site_idSWS_FT_FI4
Number of Residues4
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:30065070
ChainResidueDetails
ALYS134
BLYS134

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 718
ChainResidueDetails
AGLU390electrostatic stabiliser
AHIS237proton acceptor, proton donor
AGLY238electrostatic stabiliser
AARG286electrostatic stabiliser
AALA285nucleofuge, nucleophile, proton acceptor, proton donor

site_idMCSA2
Number of Residues5
DetailsM-CSA 718
ChainResidueDetails
BHIS237proton acceptor, proton donor
BGLY238electrostatic stabiliser
BARG286electrostatic stabiliser
BGLU390electrostatic stabiliser
BALA285nucleofuge, nucleophile, proton acceptor, proton donor

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PDB entries from 2024-05-15

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