Detailed Peptide Information


This page shows detailed information of individual peptides present in PlantPepDB database. The page is majorly divided into 3 sections. The first sections contains primary information like peptide activity, source, sequence, etc. In the secondary information section user can access the tertiary structure as well as the physico-chemical properties by clicking the respective links. Further there is also link of the source database and research article from which the peptide data is retrieved. Download the information by clicking



Primary Information
PPepDB IDPPepDB_5735
Peptide NamePAPA4_CARPA
PMID(s)--NA--
Plant Source (Scientific Name)Carica papaya
Plant Source (Common Name)Papaya
Plant FamilyCaricaceae
Peptide Family--NA--
Peptide FunctionSignaling-peptide
Peptide Function Description3D-structure; Direct protein sequencing; Hydrolase; Protease; Signal; Thiol protease; Zymogen | Papaya proteinase 4 precursor (EC 3.4.22.25) (Papaya proteinase IV),(PPIV) (Papaya peptidase B) (Glycyl endopeptidase).
Activity Against--NA--
IC50 value--NA--
SequenceGSLLNAIAHQPVSVVVESAGRDFQNYKGGIFEGSCGTKVDHAVTAVGYGKMAIICSFSKLLFVAICLFGHMSLSYCDFSIVGYSQDDLTSTERLIQLFNSNDEFKEKYVGSLPEDYTNQPYDEEFVNEDIVDLPESVDWRAKGAVTPVKHQGYCESCWAFSTVATVEGINKIKTGNLVELSEQELVDCDKQSYGCNRGYQSGGKGYILIKNSWGPGWGENGYIRIRRASGNSPGVCGVYRSSYYPIKNSTSLQYVAQNGIHLRAKYPYIAKQQTCRANQVGGPKVKTNGVGRVQSNNEWMLKHNKNYKNVDEKLYRFEIFKDNLKYIDERNKMINGYWLGLNEFSDLS
Sequence Length348
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)39023.9
Monoisotopic Molecular Weight (Da)38999.18
Isoelectric Point (pI)7.11
Method / Extraction--NA--


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_5735


External links (Uniprot, PDB and Source Information Database)
UniprotP05994
NCBI--NA--
EMBLX78056
Link to Source DatabasesSPdb183865
Addtional InformationFUNCTION:Thiol protease with a substrate specificity very different from the other thiol proteases.CATALYTIC ACTIVITY:Preferential cleavage: Gly-|-Xaa, in proteins and in small molecule substrates.ENZYME REGULATION:Not inhibited by cystatin.MISCELLANEOUS:Substitution of the conserved Gly residue by Glu- 155 could possibly explain the unusual specificity.SIMILARITY:Belongs to the peptidase C1 family.