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Influenza A H1N1 (A/Ohio/07/2009) Hemagglutinin Protein (HA1 Subunit) (His Tag)

  • Influenza A H1N1 (A/Ohio/07/2009) Hemagglutinin Protein (HA1 Subunit) (His Tag) SDS-PAGE
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H1N1 HA Protein Product Information
Synonym:HA1
Protein Construction:A DNA sequence encoding the Influenza A virus (A/Ohio/07/2009 (H1N1)) hemagglutinin (ACR38870.1) (Met1-Arg344), termed as HA1, was expressed with a C-terminal polyhistidine tag.
Species:H1N1
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
H1N1 HA Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Asp 17
Molecule Mass:The recombinant HA1 subunit of Influenza A virus (A/Ohio/07/2009 (H1N1)) comprises 338 amino acids and has a predicted molecular mass of 37.7 kDa. The apparent molecular mass of the protein is approximately 52.9 kDa in SDS-PAGE under reducing conditions.
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.
2. Please contact us for any concerns or special requirements.
H1N1 HA Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
H1N1 HA Protein SDS-PAGE
Influenza A H1N1 (A/Ohio/07/2009) Hemagglutinin Protein (HA1 Subunit) (His Tag) SDS-PAGE

HA Related Pathways

    Other HA Recombinant Protein Products
    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, HA0, or hemagglutinin precursor protein. For viral activation, hemagglutinin precursor protein (HA0) 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.

    H1N1 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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    Catalog: 40007-V08H1-50
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    100 µg
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    Datasheet & Documentation

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    All information of our products is subject to change without notice. Please refer to COA enclosed in shipped package for the newest information.
    Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"