General Information


DRAVP ID  DRAVPe01767

Peptide Name   SARS-CoV-2 HR1P

Sequence  ANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQ

Sequence Length  42

UniProt ID  P0DTC2 

Source  Synthetic construct



Activity Information


Target Organism  SARS-CoV-2

Assay  Cell-cell fusion assay

Activity  [Ref.32047258]SARS-CoV-2(No inhibition of cell-cell fusion up to 40 µM in Huh-7 cells,No inhibition of infection up to 40 µM in 293T/ACE2 cells)

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  The peptide acted as a fusion inhibitor which against SARS-CoV-2 S protein-mediated membrane fusion and pseudovirus infection.



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  C187H314N56O65

Absent amino acids  CEHMPRWY

Common amino acids  AQ

Mass  4386.89

Pl  8.54

Basic residues  3

Acidic residues  2

Hydrophobic residues  17

Net charge  1

Boman Index  -6039

Hydrophobicity  -21.9

Aliphatic Index  100

Half Life 

  •     Mammalian:4.4 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  14



Literature Information


Literature 1

Title   Fusion mechanism of 2019-nCoV and fusion inhibitors targeting HR1 domain in spike protein.

Pubmed ID   32047258

Reference   Cell Mol Immunol. 2020 Jul;17(7):765-767.

Author   Xia S, Zhu Y, Liu M, Lan Q, Xu W, Wu Y, Ying T, Liu S, Shi Z, Jiang S, Lu L.

DOI   10.1038/s41423-020-0374-2