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3GCT

STRUCTURE OF GAMMA-*CHYMOTRYPSIN IN THE RANGE $P*H 2.0 TO $P*H 10.5 SUGGESTS THAT GAMMA-CHYMOTRYPSIN IS A COVALENT ACYL-ENZYME ADDUCT AT LOW $P*H

Functional Information from GO Data
ChainGOidnamespacecontents
F0004252molecular_functionserine-type endopeptidase activity
F0006508biological_processproteolysis
G0004252molecular_functionserine-type endopeptidase activity
G0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 F 600
ChainResidue
FLYS36
FSER92
FHOH630
FHOH653
FHOH684
GTRP237

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR CHAIN B OF UNK PRO GLY ALA TYR PEPTIDE
ChainResidue
BHOH116
GTRP172
GLYS175
GSER190
GCYS191
GMET192
GGLY193
GSER195
GSER214
GTRP215
GGLY216
GSER217

site_idBND
Number of Residues9
DetailsRESIDUES WHICH ARE INVOLVED IN THE SUBSTRATE BINDING SITE
ChainResidue
GSER218
GCYS220
GTYR228
GSER190
GCYS191
GMET192
GVAL213
GSER214
GTRP215

site_idCAT
Number of Residues3
DetailsRESIDUES WHICH FORM THE CATALYTIC CENTER OF THE MOLECULE
ChainResidue
FHIS57
FASP102
GSER195

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC
ChainResidueDetails
FVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV
ChainResidueDetails
GSER189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Charge relay system
ChainResidueDetails
GSER195
FASP102

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 387
ChainResidueDetails
GGLY193electrostatic stabiliser
GSER195covalent catalysis
GGLY196electrostatic stabiliser

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PDB entries from 2024-04-24

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