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_2189
Peptide NamePalicourein
PMID(s)11430013, 14725768
Plant Source (Scientific Name)Palicourea condensata
Plant Source (Common Name)Cappel
Plant FamilyRubiaceae
Peptide FamilyCyclotide
Peptide FunctionAntiviral, Anti-HIV
Peptide Function DescriptionTarget site: lipid bilayer, Palicourein shown to have anti-HIV properties.
Activity AgainstHIV-1RF (EC50: 0.1 µM), HIV-1RF (IC50: 1.5 µM)
IC50 value1.5 µM
SequenceGDPTFCGETCRVIPVCTYSAALGCTCDDRSDGLCKRN
Sequence Length37
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)3928.43
Monoisotopic Molecular Weight (Da)3925.7
Isoelectric Point (pI)4.78
Method / ExtractionAmino acid analysis, MS, NMR


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_2189


External links (Uniprot, PDB and Source Information Database)
UniprotP84645
NCBI84027829
EMBL--NA--
Link to Source DatabasesDBAASP_2981, PhytAMP_PHYT00208, Cybase_5, CAMPSQ762, APD_01034
Addtional InformationSynthesis Type : Ribosomal|Inhibition of the cytopathic effects of HIV-1RF infection in a human T-lymphoblastoid cell line (CEM-SS)|Inhibition of the cytopathic effects of HIV-1RF infection in a human T-lymphoblastoid cell line (CEM-SS); Largest known cyclotide to date.