• DRAMP ID

    • DRAMP04002
    • Peptide Name

    • [L6, K11]-IsCT (IsCT analog through amino acids substitution)
    • Source

    • Synthetic construct
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • ILGKILKGIKKLF
    • Sequence Length

    • 13
    • UniProt Entry

    • No entry found
    • Protein Existence

    • Synthetic
    • Biological Activity

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

      • Gram-negative bacteria: Escherichia coli KCTC 1682 (MIC=2 µM), Pseudomonas aeruginosa KCTC 1637 (MIC=2 µM), Salmonella typhimurium KCTC 1926 (MIC=1 µM);
      • Gram-positive bacteria: Staphylococcus epidermidis KCTC 1917 (MIC=1 µM), Staphylococcus aureus KCTC 1621 (MIC=2 µM).
    • Hemolytic Activity

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

      • Not included yet
    • Binding Target

    • Cell membrane
    • 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

    • DRAMP04002 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • Formula

    • C73H131N17O14
    • Absent Amino Acids

    • ACDEHMNPQRSTVWY
    • Common Amino Acids

    • K
    • Mass

    • 1470.95
    • PI

    • 10.48
    • Basic Residues

    • 4
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 7
    • Net Charge

    • +4
    • Boman Index

    • 12.18
    • Hydrophobicity

    • 0.869
    • Aliphatic Index

    • 180
    • Half Life

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

    • 0
    • Absorbance 280nm

    • 0
    • Polar Residues

    • 2

DRAMP04002

    • Function

    • [L6, K11]-IsCT displays a similar or 2-fold higher antibacterial activity relative to that of native IsCT.
    • Chemical modification

    • C-terminal amidation.
  • ·Literature 1
    • Title

    • Antibiotic activity and structural analysis of the scorpion-derived antimicrobial peptide IsCT and its analogs.
    • Reference

    • Biochem Biophys Res Commun. 2004 Oct 15;323(2):712-719.
    • Author

    • Lee K, Shin SY, Kim K, Lim SS, Hahm KS, Kim Y.