General Information

    • DRAMP ID

    • DRAMP01377

    • Peptide Name

    • Odorranain-G1 (OdG1; Frogs, amphibians, animals)

    • Source

    • Odorrana grahami (Yunnanfu frog) (Rana grahami)

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • FMPILSCSRFKRC

    • Sequence Length

    • 13

    • 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=4.68 μg/ml);
      • Gram-positive bacteria: Staphylococcus aureus (MIC=9.37 μg/ml), Bacillus subtilis (MIC=37.5 μg/ml).
      • Yeast: Candida albicans (MIC=1.10 μg/ml).

    • Hemolytic Activity

      • [Ref:17272268] It has no hemolytic activity against rabbit red blood cells

    • Cytotoxicity

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

    • Binding Target

    • Not found

Structure Information

    • Linear/Cyclic

    • Cyclic

    • N-terminal Modification

    • Free

    • C-terminal Modification

    • Cyclization (Cys7 and Cys13)

    • Nonterminal Modifications and Unusual Amino Acids

    • Disulfide bond between Cys7 and Cys13.

    • Stereochemistry

    • L

    • Structure

    • Not found

    • Structure Description

    • Odorranain-G1 adopts 44.1% β-sheet structure in water solution.

    • Helical Wheel Diagram

    • DRAMP01377 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

Physicochemical Information

    • Formula

    • C70H114N20O16S3

    • Absent Amino Acids

    • ADEGHNQTVWY

    • Common Amino Acids

    • CFRS

    • Mass

    • 1587.98

    • PI

    • 9.7

    • Basic Residues

    • 3

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 4

    • Net Charge

    • +3

    • Boman Index

    • -21.48

    • Hydrophobicity

    • 0.362

    • Aliphatic Index

    • 60

    • Half Life

      • Mammalian:1.1 hour
      • Yeast:3 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 125

    • Absorbance 280nm

    • 10.42

    • Polar Residues

    • 4

DRAMP01377

Comments Information

    • Function

    • Odorranain-G1 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.