General Information


DRAVP ID  DRAVPe00812

Peptide Name   IQN17

Sequence  RMKQIEDKIEEIESKQKKIENEIARIKKLLQLTVWGIKQLQARIL

Sequence Length  45

UniProt ID  No entry found

Source  Synthetic construct

Other Link  DRAVPa0204



Activity Information


Target Organism  HIV

Assay  HIV luciferase assay

Activity 

  • [Ref.11572974]HIV-1:inhibition of cell-cell fusion between 293T cells and HOS-CD4/fusion cells(IC50=0.19±0.03 µM).

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

Cytotoxicity 

  • No cytotoxicity information or data found in the reference(s) presented in this entry

Binding Target  membrane

Mechanism  The peptide inhibits HIV-1 entry by inhibiting the fusion between virus and cell membrane.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe00812

Linear/Cyclic  Linear

N-terminal Modification  Acetylation

C-terminal Modification  Amidation

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C243H423N69O68S

Absent amino acids  CFHPY

Common amino acids  IK

Mass  5431.51

Pl  9.78

Basic residues  11

Acidic residues  7

Hydrophobic residues  17

Net charge  4

Boman Index  -10181

Hydrophobicity  -62.89

Aliphatic Index  123.56

Half Life 

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

Extinction Coefficient cystines  5500

Absorbance 280nm  125

Polar residues  4



Literature Information


Literature 1

Title   Design of potent inhibitors of HIV-1 entry from the gp41 N-peptide region.

Pubmed ID   11572974

Reference   Proc Natl Acad Sci U S A. 2001 Sep 25;98(20):11187-92.

Author   Eckert DM, Kim PS.

DOI   10.1073/pnas.201392898