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3PLP

Bovine trypsin variant X(tripleIle227) in complex with small molecule inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0007586biological_processdigestion
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
A0097180cellular_componentserine protease inhibitor complex
A0097655molecular_functionserpin family protein binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 480
ChainResidue
AGLU70
AASN72
AVAL75
AGLU80
AHOH1130
AHOH1132

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE BBA A 481
ChainResidue
ACYS128
AASP189
AALA190
ASER195
ATRP215
AGLY216
AGLY219
ACYS220
AGLY226
AHOH1012
AHOH1167
ATHR98
ATYR99
ASER127

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 482
ChainResidue
AGLU80
AGLN81
APHE82
AHOH1213
AHOH1260

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DAcqGDSGGPVV
ChainResidueDetails
AASP189-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

246704

PDB entries from 2025-12-24

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