General Information


DRAVP ID  DRAVPe01811

Peptide Name   Hp1090

Sequence  IFKAIWSGIKSLF

Sequence Length  13

UniProt ID  P0DJ02,T1DEJ9 

Source  Heterometrus petersii



Activity Information


Target Organism  HCV

Assay  In vitro HCV RNA inhibitory assay

Activity 

  • [Ref.20950663]Hepatitis C virus (HCV): inhibition of viral infection in Huh7.5.1 cells(IC50 = 7.62 μg/ml (5.0 μM)).

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

Cytotoxicity 

  • [Ref.20950663]the peptide concentration was less than 20 μg/ml, the viability of the peptide-treated cells was greater than 90%.

Binding Target  membrane

Mechanism  Has the ability to prevent the initiation step of HCV infection by direct interaction with HCV virus and readily disrupting their phospholipid membrane.



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Amidation

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C76H116N16O16

Absent amino acids  CDEHMNPQRTVY

Common amino acids  I

Mass  1509.85

Pl  10

Basic residues  2

Acidic residues  0

Hydrophobic residues  8

Net charge  2

Boman Index  1282

Hydrophobicity  107.69

Aliphatic Index  127.69

Half Life 

  •     Mammalian:20 hour
  •     Yeast:30 min
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  458.33

Polar residues  3



Literature Information


Literature 1

Title   A new natural α-helical peptide from the venom of the scorpion Heterometrus petersii kills HCV.

Pubmed ID   20950663

Reference   Peptides. 2011 Jan;32(1):11-9.

Author   Yan R, Zhao Z, He Y, Wu L, Cai D, Hong W, Wu Y, Cao Z, Zheng C, Li W.

DOI   10.1016/j.peptides.2010.10.008