General Information


DRAVP ID  DRAVPe02011

Peptide Name   peptides 5F

Sequence  PFGDSYIVI

Sequence Length  9

UniProt ID  No entry found

Source  Synthetic construct



Activity Information


Target Organism  DENV

Assay  Antiviral assays(Cell protection assay, Direct virus inhibition assay, Post-infection assay, Viral attachment assay, Viral entry assay)

Activity  [Ref.36739680]At 100 μM, peptides 5F demonstrated some cell protection effects against DENV-1 (22.89%), DENV-2 (48.28%) and DENV-4(66.72%); Peptide 5F at 100 μM was observed to exhibit higher inhibition of DENV-4 at 66.72% during the pre-infection stage when compared to peptide 5 which only demonstrated 59.72% inhibition of DENV-4 at 200 μM; Peptides 5F(100 μM) also demonstrated direct virus-inactivating effects against DENV-1 at 46.75%, DENV-2(75.15%), DENV-3(10.81%), DENV-4(70.15%); Peptides 5F at 100 μM showed inhibitions against DENV-1 during the post-infection stage at 49.65%, DENV-2(47.49%), DENV-4(91.58%).

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

Cytotoxicity 

  • [Ref.36739680]did not exhibit any significant cytotoxic effects towards Vero cells up to 200 μM.(cell viability was found to range between 92.98 and 100% at 200 μM).

Binding Target  Not found

Mechanism  No machanism information found in the reference(s) presented in this entry



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Acetylation

C-terminal Modification  Amidation

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C49H71N9O14

Absent amino acids  ACEHKLMNQRTW

Common amino acids  I

Mass  1010.15

Pl  3.8

Basic residues  0

Acidic residues  1

Hydrophobic residues  4

Net charge  -1

Boman Index  554

Hydrophobicity  93.33

Aliphatic Index  118.89

Half Life 

  •     Mammalian:>20 hour
  •     Yeast:>20 hour
  •     E.coli:?

Extinction Coefficient cystines  1490

Absorbance 280nm  186.25

Polar residues  3



Literature Information


Literature 1

Title   Development of novel antiviral peptides against dengue serotypes 1-4. 

Pubmed ID   36739680

Reference   Virology. 2023 Mar;580:10-27.

Author   Lee MF, Anasir MI, Poh CL. 

DOI   10.1016/j.virol.2023.01.016