General Information


DRAVP ID  DRAVPe01289

Peptide Name   DV4(419-447)

Sequence  AWDFGSVGGLFTSLGKAVHQVFGSVYTTM

Sequence Length  29

UniProt ID  P27909 

Source  Synthetic construct(derived from DENV4 E protein stem)



Activity Information


Target Organism  DENV

Assay  Plaque assay

Activity 

  • [Ref.20881042]Dengue 1 virus(DENV1):inhibition of infection in BHK-21 cells(IC90=5 μM);
  • Dengue 2 virus(DENV2):inhibition of infection in BHK-21 cells(IC90=6 μM);
  • Dengue 3 virus(DENV3):inhibition of infection in BHK-21 cells(IC90>6 μM);
  • Dengue 4 virus(DENV4):inhibition of infection in BHK-21 cells(IC90=6 μM).

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  Not found

Mechanism  The peptide shows antiviral activity by inhibiting virus entry.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe01289

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C142H208N34O40S

Absent amino acids  CEINPR

Common amino acids  G

Mass  3063.48

Pl  6.79

Basic residues  2

Acidic residues  1

Hydrophobic residues  12

Net charge  1

Boman Index  542

Hydrophobicity  53.45

Aliphatic Index  73.79

Half Life 

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

Extinction Coefficient cystines  6990

Absorbance 280nm  249.64

Polar residues  12



Literature Information


Literature 1

Title   Peptide inhibitors of flavivirus entry derived from the E protein stem.

Pubmed ID   20881042

Reference   J Virol. 2010 Dec;84(24):12549-54.

Author   Schmidt AG, Yang PL, Harrison SC.

DOI   10.1128/JVI.01440-10