General Information


DRAVP ID  DRAVPe01821

Peptide Name   BPIP

Sequence  LLMVNEATRFQTVSGFV

Sequence Length  17

UniProt ID  No entry found

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  MBP-tagged (SARS-CoV-2) assay

Activity 

  • [Ref.35896605]SARS-CoV-2: inhibition of Mpro (IC50= 0.52 nM).

Hemolytic Activity 

  • [Ref.35896605]BRIP is not hemolytic at 500 nM and slightly hemolytic at 50 µM.

Cytotoxicity 

  • No cytotoxicity information or data found in the reference(s) presented in this entry

Binding Target  Mpro

Mechanism  The peptide inhibits Mpro, a protein crucial for viral replication.



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  C86H138N22O25S

Absent amino acids  CDHIKPWY

Common amino acids  V

Mass  1912.23

Pl  6

Basic residues  1

Acidic residues  1

Hydrophobic residues  8

Net charge  0

Boman Index  -943

Hydrophobicity  70

Aliphatic Index  102.94

Half Life 

  •     Mammalian:5.5 hour
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  5



Literature Information


Literature 1

Title   A ricin-based peptide BRIP from Hordeum vulgare inhibits Mpro of SARS-CoV-2

Pubmed ID   35896605

Reference   Sci Rep. 2022 Jul 27;12(1):12802

Author   Kashyap P, Bhardwaj VK, Chauhan M, Chauhan V, Kumar A, Purohit R, Kumar A, Kumar S

DOI   10.1038/s41598-022-15977-y