General Information


DRAVP ID  DRAVPe02150

Peptide Name   NP-1

Sequence  GVTQNVLYENQKQIANQFNKAISQIQESLTTTSTALGKLQ

Sequence Length  40

UniProt ID  P59594 

Taxon ID  694009 

Source  HR1 region of SARS-CoV

Validation   Experimentally Validated



Origin Information


Gene Name/ID  S2

GenBank  AAP13441.1

Amino Acid position  892-931

Domain Accession ID  Not Available

Nucleotide sequence ID  AY274119.3 

Molecular Type  Genomic RNA

Chromosomal Position  Chromosome:21,492 - 25,259



Activity Information


Target Organism  SARS-CoV

Assay  antiviral Assay

Activity 

  • [Ref:15043961]SARS-CoV:Marginal activity at 50μmol/L

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  Glycoprotein. Gp41

Mechanism  like most antiviral peptides described in the literature,13 inhibi-



Structure Information


PDB ID  1WYY, 5WRG, 5X58, 5X5B, 5XLR, 5ZVM, 6ACC, 6ACD 

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Cyclic

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C191H316N54O65

Absent amino acids  RDCHMPWOU

Common amino acids  LN

Mass  4408.93

Pl  8.43

Basic residues  3

Acidic residues  2

Hydrophobic residues  18

Net charge  1

Boman Index  0.918

Hydrophobicity  -0.497

Aliphatic Index  90.25

Half Life 

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

Extinction Coefficient cystines  1490

Absorbance 280nm  0.338

Polar residues  22



Literature Information


Literature 1

Title   Interaction between heptad repeat 1 and 2 regions in spike protein of SARS-associated coronavirus: implications for virus fusogenic mechanism and identification of fusion inhibitors

Pubmed ID   15043961

Reference   Lancet (London, England), 363(9413), 938–947.

Author   Liu, S., Xiao, G., Chen, Y., He, Y., Niu, J., Escalante, C. R., Xiong, H., Farmar, J., Debnath, A. K., Tien, P., & Jiang, S. (2004). 

DOI   10.1016/S0140-6736(04)15788-7