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6XYK

Crystal structure of bovine trypsin at room temperature.

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 Residues8
Detailsbinding site for residue BEN A 301
ChainResidue
AASP186
ASER187
ASER192
AGLY209
AGLY211
AGLY219
ASO4302
AHOH521

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 302
ChainResidue
AGLN189
AGLY190
ASER192
ABEN301
AHOH497
AHIS55

site_idAC3
Number of Residues6
Detailsbinding site for residue CA A 303
ChainResidue
AGLU67
AASN69
AVAL72
AGLU77
AHOH407
AHOH511

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

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

250059

PDB entries from 2026-03-04

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