• DRAMP ID

    • DRAMP21415
    • Peptide Name

    • α4-short (Derived from α4)
    • Source

    • synthetic construct
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • LKKWWKTSKGLLGGLLGKVTSVIK
    • Sequence Length

    • 24
    • UniProt Entry

    • No entry found
    • Protein Existence

    • Synthetic form
    • Biological Activity

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

      • [Ref.30967458] Gram-positive bacteria: Staphylococcus aureus 467-1 (MIC=2μM), Staphylococcus aureus 0154-17 (MIC=2μM), Staphylococcus aureus 187-10 (MIC=16μM), Staphylococcus aureus 0194-19 (MIC=2μM), Staphylococcus aureus US300 (MIC=8μM), Staphylococcus aureus 122-12 (MIC=2μM), Enterococcus faecium 23614 (MIC=1μM), Enterococcus faecium 14678 (MIC=1μM), Enterococcus faecium 26125 (MIC=1μM);
      • Gram-negative bacteria:Pseudomonas aeruginosa 16-21 (MIC=2μM), Pseudomonas aeruginosa 16-72 (MIC=2μM), Pseudomonas aeruginosa 16-73 (MIC=2μM), Pseudomonas aeruginosa 0038-13 (MIC=2μM), Pseudomonas aeruginosa 0038-14 (MIC=1μM), Pseudomonas aeruginosa 0040-21 (MIC=2μM), Pseudomonas aeruginosa 0046-106 (MIC=8μM), Pseudomonas aeruginosa 0068-37 (MIC=16μM), Pseudomonas aeruginosa 0071-75 (MIC=2μM), Pseudomonas aeruginosa 97-5 (MIC=2μM), Pseudomonas aeruginosa 109-10 (MIC=2μM), Pseudomonas aeruginosa 16-21 (MIC=2μM)Pseudomonas aeruginosa 132-37 (MIC=2μM), Pseudomonas aeruginosa 129-5 (MIC=2μM), Pseudomonas aeruginosa 152-19 (MIC=2μM), Pseudomonas aeruginosa 159-30 (MIC=2μM), Pseudomonas aeruginosa 474-1 (MIC=2μM), Acinetobacter baumannii C3 (MIC=1μM), Acinetobacter baumannii D4 (MIC=2μM), Acinetobacter baumannii A2 (MIC=4μM), Escherichia coli YDC518 (MIC=1μM), Escherichia coli YDC575 (MIC=2μM), Escherichia coli YDC596 (MIC=1μM), Escherichia coli YDC107 (MIC=1μM), Escherichia coli YDC337 (MIC=1μM), Escherichia coli YDC748 (MIC=1μM), Klebsiella pneumoniae A2 (MIC=4μM), Klebsiella pneumoniae D4 (MIC=2μM), Klebsiella pneumoniae 438-16 (MIC=4μM)
    • Hemolytic Activity

      • [Ref.30967458] 1% hemolysis at 17 μM, 2% hemolysis at 30 μM, 3% hemolysis at 63 μM against human red blood cells
    • Cytotoxicity

      • [Ref.30967458] The white blood cell toxicity of α4-short is ~0%, ~0%, ~0%, ~0%, ~0%, 1.8% and 3.1% at peptide concentrations of 1, 2, 4, 8, 16, 32 and 64 μM.
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Linear
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Free
    • Nonterminal Modifications and Unusual Amino Acids

    • None
    • Stereochemistry

    • L
    • Structure

    • Unknown
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP21415 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP21415.
    • Formula

    • C126H214N32O29
    • Absent Amino Acids

    • ACDEFHMNPQRY
    • Common Amino Acids

    • K
    • Mass

    • 2641.28
    • PI

    • 10.7
    • Basic Residues

    • 6
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 10
    • Net Charge

    • +6
    • Boman Index

    • 78
    • Hydrophobicity

    • 0.088
    • Aliphatic Index

    • 121.67
    • Half Life

      • Mammalian:5.5 hour
      • Yeast:3 min
      • E.coli:2 min
    • Extinction Coefficient Cystines

    • 11000
    • Absorbance 280nm

    • 478.26
    • Polar Residues

    • 8

DRAMP21415

DRAMP21415 chydropathy plot
    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-nagetive bacteria.
  • ·Literature 1
    • Title

    • Antibacterial Properties and Efficacy of a Novel SPLUNC1-Derived Antimicrobial Peptide, α6-Short, in a Murine Model of Respiratory Infection
    • Reference

    • mBio. 2019 Mar-Apr; 10(2): e00226-19. Published online 2019 Apr 9. doi: 10.1128/mBio.00226-19
    • Author

    • Shasha Jiang, Berthony Deslouches, Chen Chen, Matthew E. Di, Y. Peter Di