General Information


DRAVP ID  DRAVPe01801

Peptide Name   U5

Sequence  IPLRGAFINGRWDSQCHRFS

Sequence Length  20

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 replication in MDCK cells(IC50=12.9 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  Bind to the HA stem of group 1 influenza A virus.



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  C105H158N34O27S

Absent amino acids  EKMTVY

Common amino acids  R

Mass  2360.68

Pl  10.26

Basic residues  4

Acidic residues  1

Hydrophobic residues  7

Net charge  3

Boman Index  -4910

Hydrophobicity  -47

Aliphatic Index  63.5

Half Life 

  •     Mammalian:20 hour
  •     Yeast:30 min
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  289.47

Polar residues  6



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