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4B2A

Structure of the factor Xa-like trypsin variant triple-Ala (TGA) in complex with eglin C

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0097180cellular_componentserine protease inhibitor complex
A0097655molecular_functionserpin family protein binding
B0004867molecular_functionserine-type endopeptidase inhibitor activity
B0009611biological_processresponse to wounding
C0004175molecular_functionendopeptidase activity
C0004252molecular_functionserine-type endopeptidase activity
C0005515molecular_functionprotein binding
C0005576cellular_componentextracellular region
C0006508biological_processproteolysis
C0097180cellular_componentserine protease inhibitor complex
C0097655molecular_functionserpin family protein binding
D0004867molecular_functionserine-type endopeptidase inhibitor activity
D0009611biological_processresponse to wounding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1246
ChainResidue
AGLU70
AASN72
AVAL75
AGLU80
AHOH2026
AHOH2027

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 1246
ChainResidue
CGLU80
CHOH2023
CHOH2024
CGLU70
CASN72
CVAL75

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL C 1247
ChainResidue
CASN34
CGLY38
CTYR39
CHIS40
CARG66
CASN74
CHOH2025

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 1247
ChainResidue
AASN34
AGLY38
ATYR39
AHIS40
AARG66
AILE73
AASN74
AHOH2030

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL B 1071
ChainResidue
AHOH2064
BGLU39
BGLY40

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO B 1072
ChainResidue
BASP33
BVAL34
BHOH2005

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
AVAL53-CYS58

site_idPS00285
Number of Residues12
DetailsPOTATO_INHIBITOR Potato inhibitor I family signature. FPEVVGktVdqA
ChainResidueDetails
BPHE10-ALA21

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues440
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Reactive bond"}
ChainResidueDetails

251422

PDB entries from 2026-04-01

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