General Information


DRAVP ID  DRAVPe02090

Peptide Name   S2

Sequence  YNYLYRLFC

Sequence Length  9

UniProt ID  None  

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-2

Assay  SARS-CoV-2 inhibition assay

Activity 

  • [Ref:38917689]SARS-CoV-2: S2 and S4 peptides targeted the binding site of SARS-CoV-2

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 given

Mechanism   All peptides (S2, S4, and S5) in this study bound to the ACE2 receptor and established a competitive inhibitory relationship with the RBD



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  C61H83N13O14S1

Absent amino acids  ADQEGHIKMPSTWVOU

Common amino acids  Y

Mass  1254.47

Pl  8.17

Basic residues  1

Acidic residues  0

Hydrophobic residues  6

Net charge  1

Boman Index  0.87

Hydrophobicity  0.111

Aliphatic Index  86.67

Half Life 

  •     Mammalian:2.8 hours
  •     Yeast:10 min
  •     E.coli:3 min

Extinction Coefficient cystines  4470

Absorbance 280nm  3.563

Polar residues  3



Literature Information


Literature 1

Title   Peptide S4 is an entry inhibitor of SARS-CoV-2 infection

Pubmed ID   38917689

Reference   Virology, 597, 110149.

Author   Liang, Z., Wang, J., Zhang, H., Gao, L., Xu, J., Li, P., Yang, J., Fu, X., Duan, H., Liu, J., Liu, T., Ma, W., & Wu, K.

DOI   10.1016/j.virol.2024.110151