General Information


DRAVP ID  DRAVPe02154

Peptide Name   SP-10 (residues 668-679)

Sequence  STSQKSIVAYTM

Sequence Length  12

UniProt ID  P59594 

Taxon ID  694009 

Source  S protein of SARS-CoV

Validation   Experimentally Validated



Origin Information


Gene Name/ID  S2

GenBank  AAP13441.1

Amino Acid position  668-679

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  Biotinylated enzyme-linked immunosorbent assay

Activity 

  • [Ref:16337697]SARS-CoV:IC50=1.88±0.52nmol

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  S protein to ACE2 

Mechanism  Significantly blocked the interaction between S protein and ACE2 by biotinylated enzyme-linked immunosorbent assay.SP-10 blocked both binding of the S protein and infectivity of S protein-pseudotyped retrovirus to Vero E6 cells.



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  C56H94N14O20S1

Absent amino acids  RNDCEGHLFPWOU

Common amino acids  S

Mass  1315.5

Pl  8.31

Basic residues  1

Acidic residues  0

Hydrophobic residues  10

Net charge  1

Boman Index  0.96

Hydrophobicity  -0.008

Aliphatic Index  65

Half Life 

  •     Mammalian:1.9 hours
  •     Yeast:>20 hour
  •     E.coli:>10 hours

Extinction Coefficient cystines  1490

Absorbance 280nm  1.113

Polar residues  12



Literature Information


Literature 1

Title   Design and biological activities of novel inhibitory peptides for SARS-CoV spike protein and angiotensin-converting enzyme 2 interaction

Pubmed ID   16337697

Reference   Antiviral research, 69(2), 70–76.

Author   Ho, T. Y., Wu, S. L., Chen, J. C., Wei, Y. C., Cheng, S. E., Chang, Y. H., Liu, H. J., & Hsiang, C. Y. (2006).

DOI   10.1016/j.antiviral.2005.10.005