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1PPO

DETERMINATION OF THE STRUCTURE OF PAPAYA PROTEASE OMEGA

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE HG A 217
ChainResidue
ACYS25
ALYS64
AASP158
AHIS159
AHOH229

site_idACT
Number of Residues3
DetailsACTIVE SITE
ChainResidue
ACYS25
AHIS159
AASN179

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

site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. VDHAVTAVGYG
ChainResidueDetails
AVAL157-GLY167

site_idPS00640
Number of Residues20
DetailsTHIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. YILiKNSWgtaWGekGYIrI
ChainResidueDetails
ATYR174-ILE193

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10088","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"8769310","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1MEG","evidenceCode":"ECO:0007744"}]}
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

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"8769310","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1MEG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
AASN179
ACYS25
AHIS159

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
AGLN19
ACYS25
AHIS159

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1pad
ChainResidueDetails
AASN179
AGLN19
AHIS159

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PDB entries from 2025-12-17

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