• DRAMP ID

    • DRAMP02437
    • Peptide Name

    • Papillosin
    • Source

    • Halocynthia papillosa (Red sea-squirt)
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • GFWKKVGSAAWGGVKAAAKGAAVGGLNALAKHIQ
    • Sequence Length

    • 34
    • Protein Existence

    • Protein level
    • Biological Activity

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

      • [Ref.19085906]Gram-positive bacteria (Native, Synthetic): Micrococcus luteus A270 (MBC=0.13-0.25, 0.19-0.39 µM), Aerococcus viridans 54.145 T (MBC=ND, 0.19-0.39 µM), Bacillus megaterium 66.20 T (MBC=ND, 0.05-0.10 µM), Staphylococcus aureus 65.8 T (MBC=0.5-1.00, 1.56-3.13 µM), Enterococcus faecalis 103015 T (MBC=ND, 0.78-1.56 µM);
      • Gram-negative bacteria (Native, Synthetic): Enterobacter aerogenes 30.86 T (MBC=ND, 0.78-1.56 µM), Pseudomonas aeruginosa 100720 T (MBC=ND, 3.13-6.25 µM), Salmonella thyphimurium 60.62 T (MBC=ND, 0.78-1.56 µM), Klebsiella pneumoniae 82.91 T (MBC=ND, 0.39-0.78 µM), Escherichia coli (MBC=0.25-0.50, 0.78-1.56 µM)
    • Hemolytic Activity

      • [Ref.19085906]0% hemolytic activity at 50 μM against sheep erythrocytes
    • Cytotoxicity

      • Not included yet
    • Binding Target

    • Not found
    • 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

    • DRAMP02437 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP02437.
    • Formula

    • C153H243N45O38
    • Absent Amino Acids

    • CDEMPRTY
    • Common Amino Acids

    • A
    • Mass

    • 3320.89
    • PI

    • 10.6
    • Basic Residues

    • 6
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 18
    • Net Charge

    • +6
    • Boman Index

    • 9.4
    • Hydrophobicity

    • 0.253
    • Aliphatic Index

    • 86.47
    • Half Life

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

    • 11000
    • Absorbance 280nm

    • 333.33
    • Polar Residues

    • 9

DRAMP02437

DRAMP02437 chydropathy plot
    • Function

    • Has strong antibacterial activity against the Gram-positive bacteria M. luteus, S. aureus, B. megaterium, A. viridans and E. faecalis, and against the Gram-negative bacteria K. pneumoniae, E. coli DH5alpha, S. typhimurium, P. aeruginosa and E. aerogenes. Lacks hemolytic activity against sheep erythrocytes.
  • ·Literature 1
    • Title

    • Halocyntin and papillosin, two new antimicrobial peptides isolated from hemocytes of the solitary tunicate, Halocynthia papillosa.
    • Reference

    • J Pept Sci. 2009 Jan;15(1):48-55.
    • Author

    • Galinier R, Roger E, Sautiere PE, Aumelas A, Banaigs B, Mitta G.