General Information

    • DRAMP ID

    • DRAMP38963

    • Peptide Name

    • Dermaseptin-S4(9-28)

    • Source

    • Phyllomedusa sauvagei (Sauvage's leaf frog)

    • Family

    • Belongs to the frog skin active peptide (FSAP) family. Dermaseptin subfamily.

    • Gene

    • Not found

    • Sequence

    • KVLKAAAKAALNAVLVGANA

    • Sequence Length

    • 20

    • Protein Existence

    • protein level

    • SMILES

    • Not available

Activity Information

    • Biological Activity

    • Antimicrobial,Antibacterial，Anti-Gram-,Antiprotozoal

    • Target Organism

      • [Ref.10952593] protozoon: P. falciparum-infected RBC(IC50=100μM);ring stage of P. falciparum(IC50~0.5μM)
      • Gram-negative bacteria:
        Target OrganismActivity
        E. coli50μM<IC50<100μM
      • [Ref.11847217]protozoon: Leishmania major(LC50=50µM)
      • Gram-negative bacteria:
        Target OrganismActivity
        Escherichia coliMIC>50µM
      • Gram-positive bacteria:
        Target OrganismActivity
        Staphylococcus aureusMIC>50µM
      • Fungi:
        Target OrganismActivity
        Cryptococcus neoformansMIC>50µM

    • Hemolytic Activity

      • [Ref.10952593]10μM
      • [Ref.11847217]LC50=25μM against on RBC

    • Cytotoxicity

      • Not found

    • Binding Target

    • plasma membrane

Structure Information

    • Linear/Cyclic

    • Linear

    • N-terminal Modification

    • Free

    • C-terminal Modification

    • Free

    • Nonterminal Modifications and Unusual Amino Acids

    • Not found

    • Stereochemistry

    • L

    • Structure

    • Structure Description

    • Predicted Structure

Physicochemical Information

    • Formula

    • C85H153N25O23

    • Absent Amino Acids

    • Cys,Asp,Glu,Phe,H

    • Common Amino Acids

    • Ala,Gly,L

    • Mass

    • 1893.28

    • PI

    • 10.3

    • Basic Residues

    • 3

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 14

    • Net Charge

    • +3

    • Boman Index

    • 0

    • Hydrophobicity

    • 0.01

    • Aliphatic Index

    • 142

    • Half Life

      • Mammalian:1.3 hour
      • Yeast:3 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 0

    • Absorbance 280nm

    • 0

    • Polar Residues

    • 2

DRAMP38963

Comments Information

Literature Information

  • ·Literature 1

    • Title

    • Antimalarial activities of dermaseptin S4 derivatives.

    • Reference

    • Antimicrob Agents Chemother. 2000 Sep;44(9):2442–2451.

    • Author

    • Krugliak M, Feder R, Zolotarev VY, Gaidukov L, Dagan A, Ginsburg H, Mor A.
  • ·Literature 2

    • Title

    • Structural requirements for potent versus selective cytotoxicity for antimicrobial dermaseptin S4 derivatives.

    • Reference

    • J Biol Chem. 2002 May 10;277(19):16941-51.

    • Author

    • Kustanovich I, Shalev DE, Mikhlin M, Gaidukov L, Mor A.