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5MNE

Cationic trypsin in its apo form (deuterated sample at 100 K)

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 301
ChainResidue
AGLU70
AASN72
AVAL75
AGLU80
AHOH413
AHOH529

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 302
ChainResidue
AHOH441
AHOH518
AHOH536
ALYS169
APRO173
AGLY174

site_idAC3
Number of Residues6
Detailsbinding site for residue SO4 A 303
ChainResidue
AHIS57
AGLN192
AGLY193
ASER195
AHOH402
AHOH495

site_idAC4
Number of Residues6
Detailsbinding site for residue SO4 A 304
ChainResidue
ALYS87
ALYS107
ATHR149
ATYR151
AHOH403
AHOH412

site_idAC5
Number of Residues7
Detailsbinding site for residue SO4 A 305
ChainResidue
APRO124
ATHR125
ASER127
ASER147
AGLY148
ALYS204
AHOH408

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

238895

PDB entries from 2025-07-16

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