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Influenza A H5N1 (A/bar-headed goose/Qinghai/1A/2005) Hemagglutinin Protein (HA1 Subunit) (His Tag)

HA1

Catalog Number P40117-V08H1
Organism Species H5N1
Host Human Cells
Synonyms HA1
Molecular Weight The recombinant HA1 subunit of Influenza A virus (A/bar-headed goose/Qinghai/1A/2005(H5N1)) comprises 337 amino acids and has a predicted molecular mass of 38.3 kDa. The apparent molecular mass of the protein is approximately 49.2 kDa in SDS-PAGE under reducing conditions.
predicted N Asp 17
SDS-PAGE
Purity > 95 % as determined by SDS-PAGE
Protein Construction A DNA sequence encoding the Influenza A virus (A/bar-headed goose/Qinghai/1A/2005(H5N1)) hemagglutinin (ABF93441.1) (Met1-Arg342), termed as HA1, was expressed with a C-terminal polyhistidine tag.
Bio-activity
Research Area Microbiology |Pathogenic microorganism |viruses |animal virus |viral illness |Viral tract respiratory illness |
Formulation Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background
Reference
  • White JM, Hoffman LR, Arevalo JH, et al. (1997). "Attachment and entry of influenza virus into host cells. Pivotal roles of hemagglutinin". In Chiu W, Burnett RM, Garcea RL. Structural Biology of Viruses.
  • Suzuki Y (March 2005). "Sialobiology of influenza: molecular mechanism of host range variation of influenza viruses". Biol. Pharm. Bull. 28 (3): 399–408.
  • Senne DA, Panigrahy B, Kawaoka Y, et al. (1996). "Survey of the hemagglutinin (HA) cleavage site sequence of H5 and H7 avian influenza viruses: amino acid sequence at the HA cleavage site as a marker of pathogenicity potential". Avian Dis. 40 (2): 425–37