• DRAMP ID

    • DRAMP20946
    • Peptide Name

    • ΔPb-CATH4 bivittatus antimicrobial peptides peptide derivative
    • Source

    • Synthetic construct
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • TRSRWRRFIRGAGRFARRYGWRIA
    • Sequence Length

    • 24
    • UniProt Entry

    • No entry found
    • Protein Existence

    • Synthetic
    • Biological Activity

    • Antimicrobial, Antibacterial
    • Target Organism

      • [Ref.28630199] Gram-negative bacteria: Escherichia coli (ATCC 25922)(MIC=1μg/ml);Pseudomonas aeruginosa (ATCC 27853)(MIC=3μg/ml);S. typhimurium (ATCC 14028)(MIC=0.5μg/ml);
      • Gram-positive bacteria: Staphylococcus aureus (ATCC 29213)(MIC>128μg/ml);B. cereus (ATCC 10876)(MIC=10μg/ml);
      • Clinical isolates:Escherichia coli(MIC=4.7μg/ml);K. pneumoniae(MIC=1.18μg/ml)
    • Hemolytic Activity

      • [Ref.28630199]Hemolysis 0% at 4μg/ml against human red blood cell;Hemolysis 1.2 ± 0.3% at 8μg/ml against human red blood cell;Hemolysis 3.2 ± 0.4% at 16μg/ml against human red blood cell;Hemolysis 6.5 ± 0.4% at 32μg/ml against human red blood cell;Hemolysis 10.7 ± 0.2% at 64μg/ml against human red blood cell
    • Cytotoxicity

    • No cytotoxicity information found in the reference(s) presented
    • 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

    • Not found
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP20946 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP20946.
    • Formula

    • C137H215N53O28
    • Absent Amino Acids

    • CDEHKLMNPQV
    • Common Amino Acids

    • R
    • Mass

    • 3052.55
    • PI

    • 12.54
    • Basic Residues

    • 9
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 9
    • Net Charge

    • +9
    • Boman Index

    • -11168
    • Hydrophobicity

    • -1.096
    • Aliphatic Index

    • 45
    • Half Life

      • Mammalian:7.2 hour
      • Yeast:>20 hour
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 12490
    • Absorbance 280nm

    • 543.04
    • Polar Residues

    • 6

DRAMP20946

DRAMP20946 chydropathy plot
    • Function

    • Antibacterial activity against the Gram-negative and Gram-negative bacteria. It is tested against the clinically isolated antibiotic resistance strains Escherichia coli and Klebsiella pneumoniae,which showed complete resistance particularly toward ampicillin and to a lesser extent with gentamicin
  • ·Literature 1
    • Title

    • Genomewide Analysis of the Antimicrobial Peptides in Python bivittatus and Characterization of Cathelicidins with Potent Antimicrobial Activity and Low Cytotoxicity.
    • Reference

    • Antimicrob Agents Chemother. 2017 Aug 24;61(9). pii: e00530-17.
    • Author

    • Kim D, Soundrarajan N, Lee J, Cho HS, Choi M, Cha SY, Ahn B, Jeon H, Le MT, Song H, Kim JH, Park C.