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5A24

Crystal structure of Dionain-1, the major endopeptidase in the Venus flytrap digestive juice

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE E64 A 1224
ChainResidue
AGLN20
AHOH2057
AHOH2122
AHOH2255
AGLY24
ACYS25
ACYS26
ATRP27
AGLY68
AGLY69
AASP164
AHIS165

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE PO4 A 1225
ChainResidue
AALA4
AGLN128
ATYR172
AGLY173
ATHR174
ASER181
AMET203
AHOH2204
AHOH2262

Functional Information from PROSITE/UniProt
site_idPS00139
Number of Residues12
DetailsTHIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QQqCGCCWAfSA
ChainResidueDetails
AGLN20-ALA31

site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LDHAVTVVGYG
ChainResidueDetails
ALEU163-GLY173

site_idPS00640
Number of Residues20
DetailsTHIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. YWIvKNSWgtsWGqeGYIwM
ChainResidueDetails
ATYR182-MET201

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PDB entries from 2025-07-02

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