• DRAMP ID

    • DRAMP21181
    • Peptide Name

    • WR1 (Derived from leucocin A)
    • Source

    • Synthetic construct
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • WGRAFSAGVHRLANGGNG
    • Sequence Length

    • 18
    • UniProt Entry

    • No entry found
    • Protein Existence

    • Synthetic form
    • Biological Activity

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

      • [Ref.28002968] Gram-positive bacteria : Staphylococcus aureus 29213(MIC>70.09s μM), Staphylococcus aureus 1.160(MIC=70.09 μM), Listeria monocytogenes 21662(MIC>70.09 μM), Listeria monocytogenes 21633(MIC>70.09 μM), Bacillus cereus 63301(MIC>70.09 μM), Micrococcus luteus 28001(MIC>70.09 μM), Bacillus pumilus 63202(MIC>70.09 μM), Pseudomonas fluorescens 21620(MIC>70.09 μM), MRSA 43300(MIC>70.09 μM);
      • Gram-negative bacteria : Escherichia coli O157 : H7 21530(MIC>70.09 μM), Escherichia coli 25922(MIC>70.09 μM), Escherichia coli 35150(MIC>70.09 μM), Salmonella paratyphi-A 20501(MIC>70.09 μM), Salmonella paratyphi paratyphi-B 21495(MIC>70.09 μM), Salmonella paratyphi paratyphi-C 21512(MIC>70.09 μM), Shigella flexneri 51571(MIC>70.09 μM), Salmonella choleraesuis 13312(MIC>70.09 μM), Salmonella typhimurium 51005(MIC>70.09 μM), Salmonella enteritidis 21527(MIC>70.09 μM), Vibrio parahemolyticus 21617(MIC>70.09 μM);
      • Fungi : Candida albicans 10231(MIC>70.09 μM)
    • Hemolytic Activity

      • [Ref.28002968] MHC10>70.09 μM against human red blood cells
    • Cytotoxicity

      • [Ref.28002968] The cell viability of RAW264.7 cells induced by WR1 is 99.44%, 96.62%, 95.21%, 94.08%, 92.96%, 92.99%, 92.68%, 87.04% and 77.58% at peptide concentrations of 0.25, 0.5, 1, 2, 4, 8, 16, 32 and 64 μM.
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Linear
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Amidation
    • Nonterminal Modifications and Unusual Amino Acids

    • None
    • Stereochemistry

    • L
    • Structure

    • Random coil, alpha helix, beta sheet, turn
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP21181 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP21181.
    • Formula

    • C79H119N29O22
    • Absent Amino Acids

    • CDEIKMPQTY
    • Common Amino Acids

    • G
    • Mass

    • 1826.99
    • PI

    • 12
    • Basic Residues

    • 3
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 7
    • Net Charge

    • +3
    • Boman Index

    • -2678
    • Hydrophobicity

    • -0.372
    • Aliphatic Index

    • 54.44
    • Half Life

      • Mammalian:2.8 hour
      • Yeast:3 min
      • E.coli:2 min
    • Extinction Coefficient Cystines

    • 5500
    • Absorbance 280nm

    • 323.53
    • Polar Residues

    • 8

DRAMP21181

DRAMP21181 chydropathy plot
    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria. Antifungal activity against Candida albicans
  • ·Literature 1
    • Title

    • Insights into the Antimicrobial Activity and Cytotoxicity of Engineered α-Helical PeptideAmphiphiles.
    • Reference

    • J Med Chem. 2016 Dec 22;59(24):10946-10962. doi: 10.1021/acs.jmedchem.6b00922.
    • Author

    • Ma Z, Yang J, Han J, Gao L, Liu H, Lu Z, Zhao H, Bie X