General Information

    • DRAMP ID

    • DRAMP01573

    • Peptide Name

    • Caerin-3.5 (Frogs, amphibians, animals)

    • Source

    • Litoria gracilenta (Dainty green tree frog)

    • Family

    • Belongs to the frog skin active peptide family (Caerin subfamily)

    • Gene

    • Not found

    • Sequence

    • GLWEKVKEKANELVSGIVEGVK

    • Sequence Length

    • 22

    • Protein Existence

    • Protein level

Activity Information

    • Biological Activity

    • Antimicrobial, Antibacterial, Anti-Gram+

    • Target Organism

      • Gram-positive bacterium: Leuconostoc lactis (MIC=100 µg/ml).

    • 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

    • DRAMP01573 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

    • There is no predicted structure for DRAMP01573.

Physicochemical Information

    • Formula

    • C109H182N28O33

    • Absent Amino Acids

    • CDFHMPQRTY

    • Common Amino Acids

    • EKV

    • Mass

    • 2412.81

    • PI

    • 6.29

    • Basic Residues

    • 4

    • Acidic Residues

    • 4

    • Hydrophobic Residues

    • 9

    • Net Charge

    • 0

    • Boman Index

    • -21.6

    • Hydrophobicity

    • -0.241

    • Aliphatic Index

    • 110.45

    • Half Life

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

    • Extinction Coefficient Cystines

    • 5500

    • Absorbance 280nm

    • 261.9

    • Polar Residues

    • 5

DRAMP01573

DRAMP01573 chydropathy plot

Comments Information

    • Function

    • Shows significant activity against Gram-positive organisms, but is less effective against Gram-negative organisms.

    • Tissue specificity

    • Expressed by the skin dorsal glands.

Literature Information

  • ·Literature 1

    • Title

    • New caerin antibiotic peptides from the skin secretion of the Dainty Green Tree Frog Litoria gracilenta. Identification using positive and negative ion electrospray mass spectrometry.

    • Reference

    • Toxicon. 2006 May;47(6):664-675.

    • Author

    • Maclean MJ, Brinkworth CS, Bilusich D, Bowie JH, Doyle JR, Llewellyn LE, Tyler MJ.