General Information


DRAVP ID  DRAVPe01822

Peptide Name   BF-30

Sequence  KFFRKKSVKK

Sequence Length  10

UniProt ID  No entry found

Source  Bungarus fasciatus



Activity Information


Target Organism  Influenza A virus

Assay  Cytopathic effect (CPE) reduction assay

Activity 

  • [Ref.30447229]Influenza A virus H1N1:inhibition of viral replication in MDCK cells(EC50=5.20±0.9 μM);
  • influenza A virus H3N2: inhibition of viral replication in MDCK cells(EC50=7.36 ± 1.2 μM);
  • influenza A virus(oseltamivir-resistant strain): inhibition of viral replication in MDCK cells(EC50=18.91 ± 7.0 μM).

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

Cytotoxicity 

  • [Ref.30447229]MDCK cells:CC50=67.7μM.

Binding Target  Not found

Mechanism  BF-30 could inhibit the replication of various influenza subtypes by fusing virion membranes and reducing infectivity.



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  C62H106N18O12

Absent amino acids  ACDEGHILMNPQTWY

Common amino acids  K

Mass  1295.64

Pl  11.39

Basic residues  6

Acidic residues  0

Hydrophobic residues  3

Net charge  6

Boman Index  -3607

Hydrophobicity  -150

Aliphatic Index  29

Half Life 

  •     Mammalian:1.3 hour
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  1



Literature Information


Literature 1

Title   Inhibition of peptide BF-30 on influenza A virus infection in vitro/vivo by causing virion membrane fusion.

Pubmed ID   30447229

Reference   Peptides. 2019 Feb;112:14-22.

Author   Xu J, Chen S, Jin J, Ma L, Guo M, Zhou C, Dou J.

DOI   10.1016/j.peptides.2018.10.004