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6SY3

Cationic Trypsin in Complex with a D-DiPhe-Pro-pyridine derivative

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
AHOH409
AHOH438

site_idAC2
Number of Residues8
Detailsbinding site for residue DMS A 302
ChainResidue
APHE82
AVAL90
AHIS91
ATYR94
AHOH438
AARG66
AILE73
AASN74

site_idAC3
Number of Residues16
Detailsbinding site for residue LXW A 303
ChainResidue
AHIS57
AGLN135
ALEU137
ALYS159
ASER190
ACYS191
AGLN192
ASER195
AVAL200
ASER214
ATRP215
AGLY216
AGLY219
AHOH402
AHOH413
AHOH507

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

250359

PDB entries from 2026-03-11

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