General Information


DRAVP ID  DRAVPe01725

Peptide Name   N46(SARS-CoV (902-947))

Sequence  QKQIANQFNKAISQIQESLTTTSTALGKLQDVVNQNAQALNTLVKQ

Sequence Length  46

UniProt ID  P59594 

Taxon ID  None

Source  Synthetic construct

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  Not Available

Domain Accession ID  Not Available

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Available



Activity Information


Target Organism  SARS-CoV

Assay  cell fusion inhibition assay

Activity 

  • [Ref.18983873]SARS-CoV:inhibition of cell fusion in Hela cells (IC50=3.97 ± 1.40 μM).

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

Cytotoxicity 

  • [Ref.18983873]No discernable cytotoxicity on HeLa or VeroE6 cells at the concentrations of 25 μM.

Binding Target  membrane

Mechanism  Binding to the HR2 region and blocking the formation of a 6-helix bundle during the fusion step of virus entry, thus inhibiting virus entry.



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C216H366N64O73

Absent amino acids  CHMPRWY

Common amino acids  Q

Mass  5027.67

Pl  9.53

Basic residues  4

Acidic residues  2

Hydrophobic residues  17

Net charge  2

Boman Index  -7939

Hydrophobicity  -45.65

Aliphatic Index  97.61

Half Life 

  •     Mammalian:0.8 hour
  •     Yeast:10 min
  •     E.coli:>10 hour

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  14



Literature Information


Literature 1

Title   Identification of a minimal peptide derived from heptad repeat (HR) 2 of spike protein of SARS-CoV and combination of HR1-derived peptides as fusion inhibitors.

Pubmed ID   18983873

Reference   Antiviral Res. 2009 Jan;81(1):82-7.

Author   Liu IJ, Kao CL, Hsieh SC, Wey MT, Kan LS, Wang WK.

DOI   10.1016/j.antiviral.2008.10.001