General Information


DRAVP ID  DRAVPe01484

Peptide Name   DN57opt

Sequence  RWMVWRHWFHRLRLPYNPGKNKQNQQWP

Sequence Length  28

UniProt ID  No entry found

Source  Synthetic construct



Activity Information


Target Organism  DENV

Assay  Focus reduction assay

Activity 

  • [Ref.20582308]dengue 2 virus(DENV-2):inhibition of virus infection in LLC-MK2 cells(IC50=8±1 μM,97% inhibition at 20μM).

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

Cytotoxicity 

  • [Ref.20582308]the peptide was found to be mildly toxic to LLC-MK2 cells at 40 µM.

Binding Target  E glycoprotein

Mechanism  The peptide blocks virus:cell binding, interfere with a step during viral entry, alter the surface structure of dengue viral particles, and that they interact directly with dengue virus envelope protein.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe01484

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C176H252N56O36S

Absent amino acids  ACDEIST

Common amino acids  RW

Mass  3760.35

Pl  12.01

Basic residues  8

Acidic residues  0

Hydrophobic residues  8

Net charge  8

Boman Index  -8731

Hydrophobicity  -167.14

Aliphatic Index  38.21

Half Life 

  •     Mammalian:1 hour
  •     Yeast:2 min
  •     E.coli:2 min

Extinction Coefficient cystines  23490

Absorbance 280nm  870

Polar residues  5



Literature Information


Literature 1

Title   Structural optimization and de novo design of dengue virus entry inhibitory peptides.

Pubmed ID   20582308

Reference   PLoS Negl Trop Dis. 2010 Jun 22;4(6):e721. 

Author   Costin JM, Jenwitheesuk E, Lok SM, Hunsperger E, Conrads KA, Fontaine KA, Rees CR, Rossmann MG, Isern S, Samudrala R, Michael SF.

DOI   10.1371/journal.pntd.0000721