Hemagglutinin / HA (Protein | Antibody | cDNA Clone | ELISA Kit)

All Hemagglutinin / HA reagents are produced in house and quality controlled, including 165 Hemagglutinin / HA Antibody, 20 Hemagglutinin / HA ELISA, 1165 Hemagglutinin / HA Gene, 106 Hemagglutinin / HA IP Kit, 430 Hemagglutinin / HA Lysate, 436 Hemagglutinin / HA Protein. All Hemagglutinin / HA reagents are ready to use.

All Hemagglutinin / HA Reagents

Hemagglutinin / HA Related Research Area

Hemagglutinin / HA Background

The influenza viral Hemagglutinin (HA) protein is a homo trimer with a receptor binding pocket on the globular head of each monomer.HA has at least 18 different antigens. These subtypes are named H1 through H18.HA has two functions. Firstly, it allows the recognition of target vertebrate cells, accomplished through the binding to these cells' sialic acid-containing receptors. Secondly, once bound it facilitates the entry of the viral genome into the target cells by causing the fusion of host endosomal membrane with the viral membrane.The influenza virus Hemagglutinin (HA) protein is translated in cells as a single protein, HA, or hemagglutinin precursor protein. For viral activation, hemagglutinin precursor protein (HA) must be cleaved by a trypsin-like serine endoprotease at a specific site, normally coded for by a single basic amino acid (usually arginine) between the HA1 and HA2 domains of the protein. After cleavage, the two disulfide-bonded protein domains produce the mature form of the protein subunits as a prerequisite for the conformational change necessary for fusion and hence viral infectivity.

Hemagglutinin / HA References

  • 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
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