General Information


DRAVP ID  DRAVPe02028

Peptide Name   PL8

Sequence  PSSKRFQPFQQFGRDVSDFTDSVRDPKTSE

Sequence Length  30

UniProt ID  U5WLK5  P59594 

Taxon ID  694009  

Source  Synthetic construct

Validation   Experimentally Validated



Origin Information


Gene Name/ID  S2 (918758)

GenBank  KC881005

Amino Acid position  N/A

Domain Accession ID  cd22378 

Nucleotide sequence ID  KC881005 

Molecular Type  Genomic RNA

Chromosomal Position  N/A



Activity Information


Target Organism  SARS-CoV

Assay  Syncytia inhibition assay

Activity  Not Avaialble

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  Spike Protein

Mechanism  P8 antisera had specific binding to the S fragments and S protein expressed in E. coli and SARS‐CoV infected cell lysates, suggesting that those Abs have a potential to recognize S protein of SARS‐CoV in its natural form



Structure Information


PDB ID  8WLY  5WRG  5XLR  6M3W 

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  C152H230N44O51

Absent amino acids  ACHILMNWY

Common amino acids  DFSPQR

Mass  3489.76

Pl  6.1

Basic residues  5

Acidic residues  5

Hydrophobic residues 

Net charge  0

Boman Index 

Hydrophobicity  -1.343

Aliphatic Index  19.33

Half Life 

  •     Mammalian:>20 hours
  •     Yeast:>20 hours
  •     E.coli:

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  0



Literature Information


Literature 1

Title   Synthetic peptides derived from SARS coronavirus S protein with diagnostic and therapeutic potential

Pubmed ID   15811330

Reference   FEBS letters, 579(10), 2130–2136.

Author   Xia, S., Liu, M., Wang, C., Xu, W., Lan, Q., Feng, S., Qi, F., Bao, L., Du, L., Liu, S., Qin, C., Sun, F., Shi, Z., Zhu, Y., Jiang, S., & Lu, L. (2020)

DOI   10.1016/j.febslet.2005.02.070