• DRAMP ID

    • DRAMP02023
    • Peptide Name

    • Brevinin-2DYd (Frogs, amphibians, animals)
    • Source

    • Rana dybowskii (Dybovsky's frog) (Korean brown frog)
    • Family

    • Belongs to the frog skin active peptide family (Brevinin subfamily)
    • Gene

    • Not found
    • Sequence

    • GIFDVVKGVLKGVGKNVAGSLLEQLKCKLSGGC
    • Sequence Length

    • 33
    • Protein Existence

    • Protein level
    • Biological Activity

    • Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
    • Target Organism

      • Gram-positive bacterium: Staphylococcus aureus (MIC=15 µM);
      • Gram-negative bacterium: Escherichia coli (MIC=15 µM).
      • NOTE: mixture of Brevinin-2DYc/2DYd
    • Hemolytic Activity

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

    • No cytotoxicity information found in the reference(s) presented
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Cyclic
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Cyclization (Cys27 and Cys33)
    • Nonterminal Modifications and Unusual Amino Acids

    • Disulfide bond between Cys27 and Cys33.
    • Stereochemistry

    • L
    • Structure

    • Not found
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP02023 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • Formula

    • C147H254N40O42S2
    • Absent Amino Acids

    • HMPRTWY
    • Common Amino Acids

    • G
    • Mass

    • 3318
    • PI

    • 9.24
    • Basic Residues

    • 5
    • Acidic Residues

    • 2
    • Hydrophobic Residues

    • 13
    • Net Charge

    • +3
    • Boman Index

    • 1.39
    • Hydrophobicity

    • 0.491
    • Aliphatic Index

    • 117.88
    • Half Life

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

    • 125
    • Absorbance 280nm

    • 3.91
    • Polar Residues

    • 12

DRAMP02023

DRAMP02023 chydropathy plot
    • Function

    • Antimicrobial peptide.
    • Tissue specificity

    • Expressed by the skin glands.
    • PTM

    • contains one disulfide bond 27-33.
  • ·Literature 1
    • Title

    • Cytolytic peptides belonging to the brevinin-1 and brevinin-2 families isolated from the skin of the Japanese brown frog, Rana dybowskii.
    • Reference

    • Toxicon. 2007 Nov;50(6):746-756.
    • Author

    • Conlon JM, Kolodziejek J, Nowotny N, Leprince J, Vaudry H, Coquet L, Jouenne T, Iwamuro S.