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3NKK

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
AHOH338
AHOH339

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE DMS A 302
ChainResidue
AASN95
ASER96
AASN97
AHOH459
AHOH12
AVAL76

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DMS A 303
ChainResidue
AARG66
AILE73
AASN74
APHE82
AVAL90
AHIS91
ATYR94
AHOH347

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 501
ChainResidue
AHOH10
AGLU70
AASN72
AVAL75
AGLU80
AHOH347

site_idAC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DMS A 305
ChainResidue
ATYR20
ACYS22
ATHR26
ALEU137
AGLN175
AHOH339
AHOH341
AHOH521

site_idAC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE JLZ A 1
ChainResidue
AASP189
ASER190
ACYS191
AGLN192
ASER195
AVAL213
ASER214
ATRP215
AGLY216
AGLY219
ACYS220
AGLY226
AHOH288
AHOH345
AHOH447
AHOH557

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

247947

PDB entries from 2026-01-21

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