General Information


DRAVP ID  DRAVPe00463

Peptide Name   DN57

Sequence  AWLVHTQWFLDLPLPWLPGADTQGSNWI

Sequence Length  28

UniProt ID  No entry found

Source  Synthetic construct(derived from the E polyprotein of DENV)



Activity Information


Target Organism  DENV

Assay 

Activity 

  • [Ref.31351847]Dengue virus(DENV): inhibition of DENV infection in LLCKM-2 monkey kidney epithelial cells(7±4% inhibition at 30.6 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  envelope

Mechanism  The peptide may play roles in protein-protein rearrangements or bilayer membrane interactions during the entry and fusion process and thus inhibit infection of DENV or WNV.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe00463

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C158H221N37O39

Absent amino acids  CEKMRY

Common amino acids  L

Mass  3262.72

Pl  4.2

Basic residues  1

Acidic residues  2

Hydrophobic residues  14

Net charge  -1

Boman Index  300

Hydrophobicity  7.14

Aliphatic Index  101.07

Half Life 

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

Extinction Coefficient cystines  22000

Absorbance 280nm  814.81

Polar residues  6



Literature Information


Literature 1

Title   Peptide derivatives as inhibitors of NS2B-NS3 protease from Dengue, West Nile, and Zika flaviviruses.

Pubmed ID   31351847

Reference   Bioorg Med Chem. 2019 Sep 15;27(18):3963-3978. 

Author   da Silva-Júnior EF, de Araújo-Júnior JX. 

DOI   10.1016/j.bmc.2019.07.038