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1V2Q

Trypsin inhibitor in complex with bovine trypsin variant X(SSWI)bT.B4

Functional Information from GO Data
ChainGOidnamespacecontents
T0004175molecular_functionendopeptidase activity
T0004252molecular_functionserine-type endopeptidase activity
T0005515molecular_functionprotein binding
T0005576cellular_componentextracellular region
T0005615cellular_componentextracellular space
T0006508biological_processproteolysis
T0007586biological_processdigestion
T0008233molecular_functionpeptidase activity
T0008236molecular_functionserine-type peptidase activity
T0016787molecular_functionhydrolase activity
T0046872molecular_functionmetal ion binding
T0097180cellular_componentserine protease inhibitor complex
T0097655molecular_functionserpin family protein binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 T 600
ChainResidue
TGLN192
TGLY193
TSER195
TANH800

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA T 601
ChainResidue
THOH814
TGLU70
TASN72
TVAL75
TGLU80
THOH810

site_idAC3
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ANH T 800
ChainResidue
TGLN135
TCYS136
TLEU137
TLYS159
TASP189
TSER190
TGLN192
TVAL200
TCYS201
TSER202
TGLY203
TTRP215
TGLY216
TSER217
TGLY219
TGLY226
TSO4600
THOH845
THOH857

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
TVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPVV
ChainResidueDetails
TASP189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues220
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TASP102
THIS57

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TSER195
TGLY196

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TSER195
TGLY193

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TASP102
TSER195
THIS57

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TASP102
TSER195
TGLY193
THIS57

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
TASP102
TSER195
THIS57
TGLY196

239149

PDB entries from 2025-07-23

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