General Information


DRAVP ID  DRAVPe02152

Peptide Name   P2

Sequence  PTTFMLKYDENGTITDAVDC

Sequence Length  20

UniProt ID  P59594 

Taxon ID  694009 

Source  S1 subunit of SARS-CoV

Validation   Experimentally Validated



Origin Information


Gene Name/ID  S2

GenBank  AAP13441.1

Amino Acid position  259-278

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-2

Assay  antiviral Assay

Activity 

  • [Ref:15918330]SARS-CoV:IC50=112.5±26.3μg/mL

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  Not found

Mechanism  80%, reinforcing the theory presented by Migliolo et al.,22 and



Structure Information


PDB ID  None

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  C96H148N22O35S2

Absent amino acids  RQSWOU

Common amino acids  T

Mass  2234.48

Pl  3.84

Basic residues  1

Acidic residues  4

Hydrophobic residues  14

Net charge  -3

Boman Index  0.95

Hydrophobicity  -0.3

Aliphatic Index  58.5

Half Life 

  •     Mammalian:>20 hour
  •     Yeast:>20 hour
  •     E.coli:Unknown

Extinction Coefficient cystines  1490

Absorbance 280nm  0.667

Polar residues  16



Literature Information


Literature 1

Title   Synthetic peptides outside the spike protein heptad repeat regions as potent inhibitors of SARS-associated coronavirus

Pubmed ID   15918330

Reference   Antiviral therapy, 10(3), 393–403.

Author   Zheng, B. J., Guan, Y., Hez, M. L., Sun, H., Du, L., Zheng, Y., Wong, K. L., Chen, H., Chen, Y., Lu, L., Tanner, J. A., Watt, R. M., Niccolai, N., Bernini, A., Spiga, O., Woo, P. C., Kung, H. F., Yuen, K. Y., & Huang, J. D. (2005).

DOI   Not Available