General Information


DRAVP ID  DRAVPe01746

Peptide Name   P7(DENV-2 gp (662-674))

Sequence  VEPGQLKLNWFKK

Sequence Length  13

UniProt ID  P14340 

Source  Synthetic construct



Activity Information


Target Organism  DENV-1, DENV-2

Assay  Plaque assay

Activity 

  • [Ref.29709564]DENV-2(dengue virus serotype 2): inhibition of virus entry in HUVECs(human umbilical vein endothelial cells)(65 ± 6% inhibition at 40 μM,55± 12% inhibition at 20 μM,41± 13% inhibition at 10 μM,IC50=12.86±5.96µM);
  • DENV-1(dengue virus serotype 1): inhibition of virus entry in HUVECs(human umbilical vein endothelial cells)(65 ± 12% inhibition at 40 μM).

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

Cytotoxicity 

  • [Ref.29709564]No toxic effect on HUVEC(Human umbilical vein endothelial cells) at concentrations up to 100 µM

Binding Target  β3 integrin

Mechanism  might be involved in blocking viral entry via occupying the binding site in the receptor on the host cell(β3 integrin).



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  C76H119N19O18

Absent amino acids  ACDHIMRSTY

Common amino acids  K

Mass  1586.9

Pl  9.7

Basic residues  3

Acidic residues  1

Hydrophobic residues  5

Net charge  2

Boman Index  -1551

Hydrophobicity  -80.77

Aliphatic Index  82.31

Half Life 

  •     Mammalian:100 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  458.33

Polar residues  2



Literature Information


Literature 1

Title   Peptides P4 and P7 derived from E protein inhibit entry of dengue virus serotype 2 via interacting with β3 integrin.

Pubmed ID   29709564

Reference   Antiviral Res. 2018 Jul;155:20-27.

Author   Cui X, Wu Y, Fan D, Gao N, Ming Y, Wang P, An J.

DOI   10.1016/j.antiviral.2018.04.018