General Information

    • DRAMP ID

    • DRAMP01387

    • Peptide Name

    • Odorranain-P2a (OdP2a; Frogs, amphibians, animals)

    • Source

    • Odorrana grahami (Yunnanfu frog) (Rana grahami)

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • GLLSGILGAGKHIVCGLSGPCQSLNRKSSDVEYHLAKC

    • Sequence Length

    • 38

    • Protein Existence

    • Transcript level

Activity Information

    • Biological Activity

    • Antimicrobial, Antibacterial, Antifungal, Anti-Gram+, Anti-Gram-

    • Target Organism

      • [Ref.17272268] Gram-negative bacterium: Escherichia coli (MIC=6.25 μg/ml);
      • Gram-positive bacteria: Staphylococcus aureus (MIC=3.12 μg/ml), Bacillus subtilis (MIC=12.5 μg/ml).
      • Yeast: Candida albicans (MIC=3.12 μg/ml).

    • Hemolytic Activity

      • [Ref:17272268]Non-hemolytic activity against rabbit red blood cells

    • Cytotoxicity

      • Not included yet

    • Binding Target

    • Not found

Structure Information

    • Linear/Cyclic

    • Not included yet

    • N-terminal Modification

    • Not included yet

    • C-terminal Modification

    • Not included yet

    • Nonterminal Modifications and Unusual Amino Acids

    • Not included yet

    • Stereochemistry

    • Not included yet

    • Structure

    • Not found

    • Structure Description

    • Not found

    • Helical Wheel Diagram

    • DRAMP01387 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

Physicochemical Information

    • Formula

    • C168H280N50O51S3

    • Absent Amino Acids

    • FMTW

    • Common Amino Acids

    • GL

    • Mass

    • 3912.56

    • PI

    • 8.64

    • Basic Residues

    • 6

    • Acidic Residues

    • 2

    • Hydrophobic Residues

    • 12

    • Net Charge

    • +4

    • Boman Index

    • -25.2

    • Hydrophobicity

    • 0.142

    • Aliphatic Index

    • 102.63

    • Half Life

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

    • Extinction Coefficient Cystines

    • 1615

    • Absorbance 280nm

    • 43.65

    • Polar Residues

    • 16

DRAMP01387

DRAMP01387 chydropathy plot

Comments Information

    • Function

    • Odorranain-P2a exhibites antimicrobial activities against all of the tested microbes including Gram-positive and Gram-negative bacteria and fungi. Has no hemolytic activity against red cell.

Literature Information

  • ·Literature 1

    • Title

    • Anti-infection peptidomics of amphibian skin.

    • Reference

    • Mol Cell Proteomics. 2007 May;6(5):882-894.

    • Author

    • Li J, Xu X, Xu C, Zhou W, Zhang K, Yu H, Zhang Y, Zheng Y, Rees HH, Lai R, Yang D, Wu J.