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6YIS

Trypsin inhibitor in complex with bovine trypsin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue CA A 301
ChainResidue
AGLU70
AASN72
AVAL75
AGLU80
AHOH404
AHOH464

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 302
ChainResidue
ASER195
AD86303
AHOH419
AHIS57
AGLN192
AGLY193

site_idAC3
Number of Residues9
Detailsbinding site for residue D86 A 303
ChainResidue
AASP189
ASER190
ACYS191
ATRP215
AGLY216
AGLY219
AGLY226
ASO4302
AHOH479

site_idAC4
Number of Residues7
Detailsbinding site for residue DMS A 304
ChainResidue
AASN97
ATHR98
ACYS128
ASER130
AGLN175
ATRP215
AHOH493

site_idAC5
Number of Residues3
Detailsbinding site for residue DMS A 305
ChainResidue
ATYR20
ACYS22
ATHR26

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. DScqGDSGGPVV
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

246333

PDB entries from 2025-12-17

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