General Information


DRAVP ID  DRAVPe02159

Peptide Name   229E-HR2P

Sequence  VVEQYNQTILNLTSEISTLENKSAELNYTVQKLQTLIDNINSTLVDLKWL

Sequence Length  50

UniProt ID  P15423 

Taxon ID  11137 

Source  S2 subunit of HCoV-229E

Validation   Experimentally Validated



Origin Information


Gene Name/ID  S2

GenBank  CAA34723.1

Amino Acid position  1056-1105

Domain Accession ID  Not Available

Nucleotide sequence ID  AF304460.1 

Molecular Type  Genomic RNA

Chromosomal Position  Chromosome:20,570 - 24,091



Activity Information


Target Organism  SARS-CoV

Assay  cell-cell fusion assay

Activity 

  • [Ref:29415501]SARS-CoV,IC50=0.3μM,1.96μM

Hemolytic Activity  No hemolysis information or data found in the reference(s) presented in this entry

Cytotoxicity 

  • [Ref:29415501]Neither 229E-HR1P nor 229E-HR2P had significant cytotoxicity to these cells at concentrations up to 1,000 μM

Binding Target  Spike Protein

Mechanism  Fusion Inhibitor



Structure Information


PDB ID  5ZHY  5YL9  5ZUV 

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  C256H418N64O85

Absent amino acids  RCGHMFPOU

Common amino acids  L

Mass  5752.51

Pl  4.36

Basic residues  3

Acidic residues  6

Hydrophobic residues  24

Net charge  -3

Boman Index  1.1

Hydrophobicity  -0.156

Aliphatic Index  126.6

Half Life 

  •     Mammalian:100 hours
  •     Yeast:>20 hour
  •     E.coli:>10 hours

Extinction Coefficient cystines  8480

Absorbance 280nm  1.474

Polar residues  32



Literature Information


Literature 1

Title   Peptide-Based Membrane Fusion Inhibitors Targeting HCoV-229E Spike Protein HR1 and HR2 Domains

Pubmed ID   29415501

Reference   International journal of molecular sciences, 19(2), 487.

Author   Xia, S., Xu, W., Wang, Q., Wang, C., Hua, C., Li, W., Lu, L., & Jiang, S. (2018)

DOI   10.3390/ijms19020487