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1GHA

A SECOND ACTIVE SITE IN CHYMOTRYPSIN? THE X-RAY CRYSTAL STRUCTURE OF N-ACETYL-D-TRYPTOPHAN BOUND TO GAMMA-CHYMOTRYPSIN

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 Residues5
DetailsBINDING SITE FOR RESIDUE SO4 F 600
ChainResidue
EGLN7
FLYS36
FSER92
GTRP237
GTHR241

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IPA G 702
ChainResidue
GSER217
GSER218

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR CHAIN P OF PRO GLY VAL TYR PEPTIDE
ChainResidue
FILE99
GSER190
GCYS191
GMET192
GGLY193
GASP194
GSER195
GSER214
GTRP215
GGLY216
GSER217
PHOH376
FHIS57
FLEU97

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_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1hja
ChainResidueDetails
GSER195
GGLY193

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1hja
ChainResidueDetails
FASP102
FHIS57
GSER195
GGLY196

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

221716

PDB entries from 2024-06-26

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