General Information


DRAVP ID  DRAVPe01716

Peptide Name   JEV Ep (401–428)

Sequence  STLGKAFSTTLKGAQRLAALGDTAWDFG

Sequence Length  28

UniProt ID  P0DOH7 

Source  Synthetic construct



Activity Information


Target Organism  JEV

Assay  qRT-PCR, western blotting, the plaque assay, immunofluorescence analysis

Activity 

  • [Ref.28232248]Japanese encephalitis virus (JEV):inhibition of JEV infection in BHK-21 (baby hamster kidney) cells (IC50=3790.71 nM).

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  Peptide derived from protein E stem may inhibit virus infection by blocking virus entry.



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  C129H203N35O40

Absent amino acids  CEHIMNPVY

Common amino acids  A

Mass  2884.24

Pl  8.31

Basic residues  3

Acidic residues  2

Hydrophobic residues  12

Net charge  1

Boman Index  -2530

Hydrophobicity  0.36

Aliphatic Index  73.57

Half Life 

  •     Mammalian:1.9 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  203.7

Polar residues  10



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