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4NIX

Crystal structure of trypsiligase (K60E/N143H/Y151H/D189K trypsin) orthorhombic form, zinc-bound

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
AHOH449
AHOH652

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 302
ChainResidue
AHOH608
AHOH627
AGLU80
AGLN81
APHE82

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 303
ChainResidue
ALYS87
AHIS143
AHIS151
AHOH643
AHOH669

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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