General Information


DRAVP ID  DRAVPe01720

Peptide Name   JEV Ep (424–445)

Sequence  AWDFGSIGGVFNSIGRAVHQVF

Sequence Length  22

UniProt ID  P0DOH7 

Source  Synthetic construct



Activity Information


Target Organism  JEV, ZIKV

Assay  qRT-PCR, western blotting, the plaque assay

Activity 

  • [Ref.28232248]Japanese encephalitis virus (JEV):inhibition of JEV infection in BHK-21 (baby hamster kidney) cells (IC50=3.93 nM);
  • Zika virus (ZIKV):inhibition of Zika virus (ZIKV) infection in Vero cells (IC50=3.27μM).

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  membrane

Mechanism  The peptide prevented JEV infection in mice by reducing viral load and the inflammatory response in the brain, thereby improving the survival rate.



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  C110H158N30O29

Absent amino acids  CEKLMPTY

Common amino acids  G

Mass  2364.65

Pl  6.79

Basic residues  2

Acidic residues  1

Hydrophobic residues  11

Net charge  1

Boman Index  -667

Hydrophobicity  51.36

Aliphatic Index  84.09

Half Life 

  •     Mammalian:4.4 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  261.9

Polar residues  7



Literature Information


Literature 1

Title   Antiviral activity of peptide inhibitors derived from the protein E stem against Japanese encephalitis and Zika viruses.

Pubmed ID   28232248

Reference   Antiviral Res. 2017 May;141:140-149.

Author   Chen L, Liu Y, Wang S, Sun J, Wang P, Xin Q, Zhang L, Xiao G, Wang W.

DOI   10.1016/j.antiviral.2017.02.009