General Information


DRAVP ID  DRAVPe02081

Peptide Name   Dahlein 5.6

Sequence  GLLASLGKVFGGYLAEKLKPK

Sequence Length  21

UniProt ID  P84272 

Taxon ID  299727 

Source  Litoria dahlii, Australia

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  1to21

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  No cytotoxicity information found in the reference(s) presented

Binding Target  Cell Membrane

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  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C104H173N25O26

Absent amino acids  RNDCQHIMTWOU

Common amino acids  L

Mass  2189.67

Pl  9.83

Basic residues  4

Acidic residues  1

Hydrophobic residues  16

Net charge  3

Boman Index  -0.3

Hydrophobicity  0.248

Aliphatic Index  116.19

Half Life 

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

Extinction Coefficient cystines  1490

Absorbance 280nm  0.68

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