General Information


DRAVP ID  DRAVPe02192

Peptide Name   HR2

Sequence  SLSLDFEKLNVTLLDLTYEMNRIQDAIKKLNESYINLKE

Sequence Length  39

UniProt ID  None  

Taxon ID  None 

Source  HR2 region of MHV

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  MHV

Assay  Cell-cell fusion assay.

Activity 

  • [Ref:2885899]MHV,IC90=50μM

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  Using biological assays, the HR2 peptide was shown to be a potent inhibitor of virus entry into the cell, as well as of cell-cell fusion



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  C206H337N51O66S1

Absent amino acids  CGHPWOU

Common amino acids  L

Mass  4616.3

Pl  4.71

Basic residues  5

Acidic residues  7

Hydrophobic residues  24

Net charge  -2

Boman Index  1.1

Hydrophobicity  -0.356

Aliphatic Index  120

Half Life 

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

Extinction Coefficient cystines  2980

Absorbance 280nm  0.646

Polar residues  32



Literature Information


Literature 1

Title   The coronavirus spike protein is a class I virus fusion protein: structural and functional characterization of the fusion core complex

Pubmed ID   12885899

Reference   Journal of virology, 77(16), 8801–8811.

Author   Bosch, B. J., van der Zee, R., de Haan, C. A., & Rottier, P. J. (2003).

DOI   10.1128/jvi.77.16.8801-8811.2003