General Information

    • DRAMP ID

    • DRAMP01963

    • Peptide Name

    • Brevinin-1BLa (Frogs, amphibians, animals)

    • Source

    • Lithobates blairi (plains leopard frog)

    • Family

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

    • Gene

    • Not found

    • Sequence

    • FLPAIVGAAAKFLPKIFCAISKKC

    • Sequence Length

    • 24

    • UniProt Entry

    • No entry found

    • Protein Existence

    • Not found

Activity Information

    • Biological Activity

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

    • Target Organism

      • [Ref.19254736] Gram-positive bacteria : Staphylococcus aureus(MIC=1.5 μM);
      • Gram-negative bacteria : Escherichia coli(MIC=25 μM);
      • Fungi : Candida albicans(MIC=6 μM)

    • Hemolytic Activity

      • [Ref.19254736] LC50=14 μM against human 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

    • DRAMP01963 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

Physicochemical Information

    • Formula

    • C122H198N28O26S2

    • Absent Amino Acids

    • DEHMNQRTWY

    • Common Amino Acids

    • A

    • Mass

    • 2537.21

    • PI

    • 9.7

    • Basic Residues

    • 4

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 14

    • Net Charge

    • +4

    • Boman Index

    • 24.53

    • Hydrophobicity

    • 1.154

    • Aliphatic Index

    • 114.17

    • Half Life

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

    • Extinction Coefficient Cystines

    • 125

    • Absorbance 280nm

    • 5.43

    • Polar Residues

    • 4

DRAMP01963

DRAMP01963 chydropathy plot

Comments Information

    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria. Antifungal activity against Candida albicans, Trichosporon beigelli, Aspergillus awamori, Aspergillus flavus, Aspergillus fumigatus, Aspergillus parasiticus

Literature Information

  • ·Literature 1

    • Title

    • Peptides with potent cytolytic activity from the skin secretions of the North American leopard frogs, Lithobates blairi and Lithobates yavapaiensis.

    • Reference

    • Toxicon. 2009 Jun;53(7-8):699-705. doi: 10.1016/j.toxicon.2009.02.018.

    • Author

    • Conlon JM, Ahmed E, Coquet L, Jouenne T, Leprince J, Vaudry H, King JD.