General Information


DRAVP ID  DRAVPe01485

Peptide Name   DN81opt

Sequence  RQMRAWGQDYQHGGMGYSC

Sequence Length  19

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=36±6 μM,57% inhibition at 50μM).

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  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  DRAVPe01485

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C93H135N31O28S3

Absent amino acids  EFIKLNPTV

Common amino acids  G

Mass  2231.47

Pl  8.21

Basic residues  3

Acidic residues  1

Hydrophobic residues  2

Net charge  2

Boman Index  -4964

Hydrophobicity  -126.32

Aliphatic Index  5.26

Half Life 

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

Extinction Coefficient cystines  8480

Absorbance 280nm  471.11

Polar residues  8



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