General Information


DRAVP ID  DRAVPe01803

Peptide Name   FBP1

Sequence  RGAHINGRWDSRCHRF

Sequence Length  16

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  Influenza A virus

Assay  Plaque reduction assay

Activity 

  • [Ref.35259078]influenza A virus(H1N1): inhibition of viral multicycle growth in MDCK cells(>50% inhibition at 100 μg/ml).

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

Cytotoxicity 

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

Binding Target  HA

Mechanism  FBP could have dual functions: blocked HA-mediated fusion by binding and inhibited endosomal acidification from interfering viral entry by the endocytic pathway.



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  C83H126N34O21S

Absent amino acids  EKLMPQTVY

Common amino acids  R

Mass  1968.19

Pl  11.52

Basic residues  6

Acidic residues  1

Hydrophobic residues  4

Net charge  5

Boman Index  -7256

Hydrophobicity  -139.38

Aliphatic Index  30.63

Half Life 

  •     Mammalian:1 hour
  •     Yeast:2 min
  •     E.coli:2 min

Extinction Coefficient cystines  5500

Absorbance 280nm  366.67

Polar residues  5



Literature Information


Literature 1

Title   Fusion-inhibition peptide broadly inhibits influenza virus and SARS-CoV-2, including Delta and Omicron variants.

Pubmed ID   35259078

Reference   Emerg Microbes Infect. 2022 Dec;11(1):926-937.

Author   Zhao H, Meng X, Peng Z, Lam H, Zhang C, Zhou X, Chan JF, Kao RYT, To KK, Yuen KY.

DOI   10.1080/22221751.2022.2051753