General Information

    • DRAMP ID

    • DRAMP29101

    • Peptide Name

    • Ascaphin-8 [T16A]

    • Source

    • Synthetic construct

    • Family

    • Not found

    • Gene

    • N/A

    • Sequence

    • GFKDLLKGAAKALVKAVLF

    • Sequence Length

    • 19

    • Protein Existence

    • Protein level

Activity Information

    • Biological Activity

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

    • Target Organism

      • [Ref.18554256]Gram-negative bacteria:Escherichia coli ATCC 25726(MIC=6 µM);
      • Gram-positive bactria:Staphylococcus aureus ATCC 25923(MIC=3 µM);
      • Fungi:Candida albicans ATCC 900280(MIC=6 µM).
      • Cancer:human hepatoma‐derived cells HepG2 (LC50=9 µM).

    • Hemolytic Activity

      • [Ref.18554256]Hemolysis against human erythrocytes (LC50=22 µM).

    • Cytotoxicity

      • [Ref.18554256]Cytotoxicity:Mouse fibroblasts L929 (LC50=5 µM).

    • Binding Target

    • liposomes

Structure Information

    • Linear/Cyclic

    • Linear

    • N-terminal Modification

    • Free

    • C-terminal Modification

    • Amidation

    • Nonterminal Modifications and Unusual Amino Acids

    • None

    • Stereochemistry

    • L

    • Structure

    • Alpha helix

    • Structure Description

    • 45% α-helix was determined from the circular dichroism spectra recorded in 50% trifluoroethanol-water.

    • Helical Wheel Diagram

    • DRAMP29101 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

    • There is no predicted structure for DRAMP29101.

Physicochemical Information

    • Formula

    • C96H161N23O22

    • Absent Amino Acids

    • CEHIMNPQRSTWY

    • Common Amino Acids

    • AKL

    • Mass

    • 1989.48

    • PI

    • 10

    • Basic Residues

    • 4

    • Acidic Residues

    • 1

    • Hydrophobic Residues

    • 12

    • Net Charge

    • +3

    • Boman Index

    • 1192

    • Hydrophobicity

    • 0.868

    • Aliphatic Index

    • 133.68

    • Half Life

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

    • Extinction Coefficient Cystines

    • 0

    • Absorbance 280nm

    • 0

    • Polar Residues

    • 2

DRAMP29101

DRAMP29101 chydropathy plot

Comments Information

    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria.Antifungal activity against Candida albicans.

Literature Information

  • ·Literature 1

    • Title

    • Design of potent, non-toxic antimicrobial agents based upon the naturally occurring frog skin peptides, ascaphin-8 and peptide XT-7.

    • Reference

    • Chem Biol Drug Des. 2008 Jul;72(1):58-64.

    • Author

    • Conlon JM, Galadari S, Raza H, Condamine E.