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3NK8

Trypsin in complex with fluorine-containing fragment

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 Residues7
DetailsBINDING SITE FOR RESIDUE DMS A 301
ChainResidue
AASN97
ATHR98
ALYS159
AGLN175
ATRP215
AHOH400
AHOH497

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DMS A 302
ChainResidue
AASN97
AHOH410
AHOH505
AVAL76
ASER96

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DMS A 303
ChainResidue
AARG66
AILE73
AASN74
APHE82
AVAL90
AHIS91
ATYR94
AHOH404

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DMS A 305
ChainResidue
ATYR20
ACYS22
ATHR26
ALEU137
AGLN175
AHOH400
AHOH497
AHOH577

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 501
ChainResidue
AHOH36
AGLU70
AASN72
AVAL75
AGLU80
AHOH404

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE JKZ A 1
ChainResidue
ASER190
ACYS191
AGLN192
ASER195
AVAL213
ASER214
ATRP215
AGLY219
ACYS220
AHOH308
AHOH317
AHOH470
AHOH592

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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