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8WK1

Bovine trypsin in complex with Durio zibethinus trypsin inhibitor DzTI-4

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0097180cellular_componentserine protease inhibitor complex
A0097655molecular_functionserpin family protein binding
B0004866molecular_functionendopeptidase inhibitor activity
C0004175molecular_functionendopeptidase activity
C0004252molecular_functionserine-type endopeptidase activity
C0005515molecular_functionprotein binding
C0005576cellular_componentextracellular region
C0006508biological_processproteolysis
C0097180cellular_componentserine protease inhibitor complex
C0097655molecular_functionserpin family protein binding
D0004866molecular_functionendopeptidase inhibitor activity
Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL51-CYS56

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPVV
ChainResidueDetails
AASP186-VAL197

site_idPS00283
Number of Residues17
DetailsSOYBEAN_KUNITZ Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature. VlDTDGDeLrAGeqYyV
ChainResidueDetails
BVAL31-VAL47

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues440
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

251422

PDB entries from 2026-04-01

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