General Information


DRAVP ID  DRAVPe02114

Peptide Name   Esculentin-2P

Sequence  GFSSIFRGVAKFASKGLGKDLARLGVNLVACKISKQC

Sequence Length  37

UniProt ID  None  

Taxon ID  None 

Source  North American frog, Rana pipiens

Validation   Experimentally validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  Not Available

Domain Accession ID  Not Available

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Found



Activity Information


Target Organism  HIV-1

Assay  HIV infection and cell viability assay

Activity 

  • [Ref:16140737]HIV: Inhibited infection at a concentration also toxic to T cells

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  Envelope/outer leaflet of the membrane

Mechanism  Highly effective in inhibiting HIV infection by disrupting the viral membrane and preventing the entry of the virus into target 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  C173H290N50O46S2

Absent amino acids  HPTWYOU

Common amino acids  GK

Mass  3870.63

Pl  10.21

Basic residues  7

Acidic residues  1

Hydrophobic residues  18

Net charge  6

Boman Index  0.73

Hydrophobicity  0.357

Aliphatic Index  97.57

Half Life 

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

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  24



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