General Information


DRAVP ID  DRAVPe00758

Peptide Name   IN-1

Sequence  WQCLTLTHRGFVLLTITVLR

Sequence Length  20

UniProt ID  No entry found

Source  Synthetic construct



Activity Information


Target Organism  HIV

Assay  MAGI assay

Activity 

  • [Ref.18201721]HIV-1:Inhibition of 3′-processing catalyzed by integrase(IC50=38 µM);inhibition of strand transfer catalyzed by integrase(IC50=12 µM).
  • [Ref.19850483]HIV-1:inhibition of integrase catalytic activity(77% inhibition at 62.5μM);inhibition of virus replication in TZM-bl cells(70% inhibition at 62.5μM);inhibition of intergration(63% inhibition at 62.5μM).

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

Cytotoxicity 

  • [Ref.18201721]No cytotixic against HeLa cells and H9 T-lymphocyte cultured cells up to ~62.5 μM.

Binding Target  Integrase

Mechanism  The peptide can inhibit integrase and thus inhibit virus replication.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe00758

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C110H180N30O26S

Absent amino acids  ADEKMNPSY

Common amino acids  L

Mass  2370.88

Pl  10.35

Basic residues  3

Acidic residues  0

Hydrophobic residues  10

Net charge  3

Boman Index  -519

Hydrophobicity  87

Aliphatic Index  146

Half Life 

  •     Mammalian:2.8 hour
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  5500

Absorbance 280nm  289.47

Polar residues  6



Literature Information


Literature 1

Title   Correlation between shiftide activity and HIV-1 integrase inhibition by a peptide selected from a combinatorial library.

Pubmed ID   18201721

Reference   J Mol Biol. 2008 Feb 29;376(4):971-82.

Author   Armon-Omer A, Levin A, Hayouka Z, Butz K, Hoppe-Seyler F, Loya S, Hizi A, Friedler A, Loyter A.

DOI   10.1016/j.jmb.2007.11.095

Literature 2

Title   Peptide inhibitors of HIV-1 integrase: from mechanistic studies to improved lead compounds.

Pubmed ID   19850483

Reference   Bioorg Med Chem. 2009 Nov 15;17(22):7635-42.

Author   Maes M, Levin A, Hayouka Z, Shalev DE, Loyter A, Friedler A.

DOI   10.1016/j.bmc.2009.09.053