General Information


DRAVP ID  DRAVPe02087

Peptide Name   PB1731–757

Sequence  ESGRIKKEEFAEIMKICSTIEELGRQK

Sequence Length  27

UniProt ID  Q9Q0V0 

Taxon ID  93838 384505 

Source  Synthetic construct (derived from the C-terminus of PB1)

Validation   Experimentally Validated



Origin Information


Gene Name/ID  PB1(3654616)

GenBank   AAD51923.1

Amino Acid position  731-757

Domain Accession ID  Not Available

Nucleotide sequence ID  AF144301.1 

Molecular Type  Genomic RNA

Chromosomal Position  Chromosome:25 - 2,298



Activity Information


Target Organism  IAV(H5N1)

Assay  BiFC disruption assay

Activity 

  • [Ref:23279951]IAV: PB1731–757 effectively blocked the replication of human influenza virus A/WSN/33 (H1N1)

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  Not given

Mechanism  PB1(731-757) is capable of inhibiting viral polymerase activity and viral replication.



Structure Information


PDB ID  3J9B  8H69 

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  C135H230N38O44S2

Absent amino acids  NDHPWYVOU

Common amino acids  E

Mass  3153.66

Pl  6.46

Basic residues  6

Acidic residues  6

Hydrophobic residues  9

Net charge  0

Boman Index  2.7

Hydrophobicity  -0.793

Aliphatic Index  75.93

Half Life 

  •     Mammalian:1 hour
  •     Yeast:30 min
  •     E.coli:>10 hours

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  2



Literature Information


Literature 1

Title   A peptide derived from the C-terminus of PB1 inhibits influenza virus replication by interfering with viral polymerase assembly

Pubmed ID   23279951

Reference   The FEBS journal, 280(4), 1139–1149

Author   Li, C., Ba, Q., Wu, A., Zhang, H., Deng, T., & Jiang, T. (2013)

DOI   10.1111/febs.12107

Literature 2

Title   Influenza A virus entry inhibitors targeting the hemagglutinin

Pubmed ID   23340380

Reference   Viruses, 5(1), 352–373

Author   Jie Yang 1, Minmin Li, Xintian Shen, Shuwen Liu

DOI   10.3390/v5010352