General Information

    • DRAMP ID

    • DRAMP01306

    • Peptide Name

    • Phylloseptin-7 (PS-7; Frogs, amphibians, animals)

    • Source

    • Phyllomedusa azurea (Orange-legged monkey frog) (Phyllomedusa hypochondrialis azurea)

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • FLSLIPHAINAVSAIAKHF

    • Sequence Length

    • 19

    • Protein Existence

    • Protein level

Activity Information

    • Biological Activity

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

    • Target Organism

      • Gram-negative bacterium: Escherichia coli ATCC 11775 (MIC=7.2 µM);
      • Gram-positive bacteria: Staphylococcus aureus ATCC 12600 (MIC=3.6 µM), Micrococcus luteus ATCC 49732 (MIC=1.8 µM).

    • Hemolytic Activity

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

    • Cytotoxicity

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

    • Binding Target

    • Not found

Structure Information

    • Linear/Cyclic

    • Linear

    • N-terminal Modification

    • Free

    • C-terminal Modification

    • Amidation

    • Nonterminal Modifications and Unusual Amino Acids

    • Free

    • Stereochemistry

    • L

    • Structure

    • Not found

    • Structure Description

    • Not found

    • Helical Wheel Diagram

    • DRAMP01306 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

Physicochemical Information

    • Formula

    • C98H153N25O23

    • Absent Amino Acids

    • CDEGMQRTWY

    • Common Amino Acids

    • A

    • Mass

    • 2049.45

    • PI

    • 8.76

    • Basic Residues

    • 3

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 12

    • Net Charge

    • +3

    • Boman Index

    • 13.53

    • Hydrophobicity

    • 1.111

    • Aliphatic Index

    • 138.95

    • Half Life

      • Mammalian:1.1 hour
      • Yeast:3 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 0

    • Absorbance 280nm

    • 0

    • Polar Residues

    • 3

DRAMP01306

DRAMP01306 chydropathy plot

Comments Information

    • Function

    • Has antibacterial activity but does not inhibit the growth of the fungus C. albicans.

    • Tissue specificity

    • Expressed by the skin glands.

    • PTM

    • Phenylalanine amide at F19.

Literature Information

  • ·Literature 1

    • Title

    • A combined mass spectrometric and cDNA sequencing approach to the isolation and characterization of novel antimicrobial peptides from the skin secretions of Phyllomedusa hypochondrialis azurea.

    • Reference

    • Peptides. 2007 Jul;28(7):1331-1343.

    • Author

    • Thompson AH, Bjourson AJ, Orr DF, Shaw C, McClean S.
  • ·Literature 2

    • Title

    • Isolation and biochemical characterization of peptides presenting antimicrobial activity from the skin of Phyllomedusa hypochondrialis.

    • Reference

    • Peptides. 2006 Dec;27(12):3092-3099.

    • Author

    • Conceição K, Konno K, Richardson M, Antoniazzi MM, Jared C, Daffre S, Camargo AC, Pimenta DC.