• DRAMP ID

    • DRAMP00799
    • Peptide Name

    • Cycloviolin-A (Plant defensin)
    • Source

    • Leonia cymosa (Sacha uba)
    • Family

    • Belongs to the cyclotide family
    • Gene

    • Not found
    • Sequence

    • GVIPCGESCVFIPCISAAIGCSCKNKVCYRN
    • Sequence Length

    • 31
    • Protein Existence

    • Protein level
    • Biological Activity

    • Antimicrobial, Antiviral
    • Target Organism

      • [Ref.18008336]Virus:HIV:inhibition the cytopathic effects of HIV-1 infection in cultured human T-lymphoblast (CEM-SS) cells(EC50=130 nM).
    • Hemolytic Activity

      • No hemolysis information or data found in the reference(s) presented in this entry
    • Cytotoxicity

      • [Ref.18008336]CEM-SS cells:IC50=560 nM.
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Cyclic
    • N-terminal Modification

    • Cyclization (N termini to C termini)
    • C-terminal Modification

    • Cyclization (N termini to C termini)
    • Nonterminal Modifications and Unusual Amino Acids

    • Disulfide bonds between Cys5 and Cys21, Cys9 and Cys23,Cys14 and Cys28.
    • Stereochemistry

    • L
    • Structure

    • Bridge
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP00799 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP00799.
    • Formula

    • C137H224N38O40S6
    • Absent Amino Acids

    • DHLMQTW
    • Common Amino Acids

    • C
    • Mass

    • 3235.88
    • PI

    • 8.33
    • Basic Residues

    • 3
    • Acidic Residues

    • 1
    • Hydrophobic Residues

    • 10
    • Net Charge

    • +2
    • Boman Index

    • -7.55
    • Hydrophobicity

    • 0.681
    • Aliphatic Index

    • 84.84
    • Half Life

      • Mammalian:30 hour
      • Yeast:>20 hour
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 1865
    • Absorbance 280nm

    • 62.17
    • Polar Residues

    • 15

DRAMP00799

DRAMP00799 chydropathy plot
    • Function

    • Probably participates in a plant defense mechanism. Has anti-HIV activity.
    • PTM

    • This is a cyclic peptide which may contain three disulfide bonds 5-21;9-23;14-28.
  • ·Literature 1
    • Title

    • Cycloviolins A-D, anti-HIV macrocyclic peptides from Leonia cymosa.
    • Reference

    • J Org Chem. 2000 Jan 14;65(1):124-128.
    • Author

    • Hallock YF, Sowder RC 2nd, Pannell LK, Hughes CB, Johnson DG, Gulakowski R, Cardellina JH 2nd, Boyd MR.
  • ·Literature 2
    • Title

    • Cyclotides as natural anti-HIV agents.
    • Reference

    • Biopolymers. 2008;90(1):51-60.
    • Author

    • Ireland DC, Wang CK, Wilson JA, Gustafson KR, Craik DJ.