General Information


DRAVP ID  DRAVPe02075

Peptide Name   Caerin 4.1

Sequence  GLWQKIKSAAGDLASGIVEGIKS

Sequence Length  23

UniProt ID  P56242 

Taxon ID  30344 

Source  Green tree frog Litoria caerula, Australia

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  1to23

Domain Accession ID  Not Available

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Available



Activity Information


Target Organism  HIV

Assay  HIV infection and cell viability assay.

Activity 

  • [Ref:16140737]HIV: This peptide could inhibit HIV infection at a specific concentration

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

Cytotoxicity 

  • [Ref:16140737]Toxic to T cells

Binding Target  T cells

Mechanism  inhibit HIV infection at significantly lower concentrations than those required to affect the viability of the T cells.



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Amination

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C104H174N28O32

Absent amino acids  RNCHMFPTYOU

Common amino acids  G

Mass  2328.69

Pl  8.5

Basic residues  3

Acidic residues  2

Hydrophobic residues  16

Net charge  1

Boman Index  0.33

Hydrophobicity  0.157

Aliphatic Index  110.43

Half Life 

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

Extinction Coefficient cystines  5500

Absorbance 280nm  2.362

Polar residues  22



Literature Information


Literature 1

Title   Antimicrobial peptides from amphibian skin potently inhibit human immunodeficiency virus infection and transfer of virus from dendritic cells to T cells

Pubmed ID   16140737

Reference   Journal of virology, 79(18), 11598–11606.

Author   VanCompernolle, S. E., Taylor, R. J., Oswald-Richter, K., Jiang, J., Youree, B. E., Bowie, J. H., Tyler, M. J., Conlon, J. M., Wade, D., Aiken, C., Dermody, T. S., KewalRamani, V. N., Rollins-Smith, L. A., & Unutmaz, D. (2005).

DOI   10.1128/JVI.79.18.11598-11606.2005