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1IWD

Proposed Amino Acid Sequence and the 1.63 Angstrom X-ray Crystal Structure of a Plant Cysteine Protease Ervatamin B: Insight into the Structural Basis of its Stability and Substrate Specificity.

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008234molecular_functioncysteine-type peptidase activity
A0016787molecular_functionhydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE THJ A 601
ChainResidue
AGLN19
AGLY23
ASER24
ACYS25
AGLY65
AASN157
AHIS158
AHOH374
AHOH445

Functional Information from PROSITE/UniProt
site_idPS00139
Number of Residues12
DetailsTHIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QKqCGSCWAfSA
ChainResidueDetails
AGLN19-ALA30

site_idPS00640
Number of Residues20
DetailsTHIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. YWIvRNSWgqnWGnqGYIwM
ChainResidueDetails
ATYR173-MET192

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10088","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10089","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10090","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
ACYS25
AHIS158
AASN178

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
AGLN19
ACYS25
AHIS158

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
AGLN19
AHIS158
AASN178

246704

PDB entries from 2025-12-24

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