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3BG4

The crystal structure of guamerin in complex with chymotrypsin and the development of an elastase-specific inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
B0004252molecular_functionserine-type endopeptidase activity
B0006508biological_processproteolysis
C0004252molecular_functionserine-type endopeptidase activity
C0006508biological_processproteolysis
D0004857molecular_functionenzyme inhibitor activity
D0004867molecular_functionserine-type endopeptidase inhibitor activity
D0005576cellular_componentextracellular region
D0030414molecular_functionpeptidase inhibitor activity
D0050819biological_processnegative regulation of coagulation
Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC
ChainResidueDetails
BVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV
ChainResidueDetails
CSER189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsSITE: Reactive bond
ChainResidueDetails
DMET36
BASP102

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 387
ChainResidueDetails
CGLY193electrostatic stabiliser
CSER195covalent catalysis
CGLY196electrostatic stabiliser

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PDB entries from 2024-04-24

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