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乙型流感 (B/Victoria/02/1987) Hemagglutinin 蛋白 (HA1 亞型) (His 標籤)

  • Influenza B (B/Victoria/02/1987) Hemagglutinin / HA Protein (His Tag)
乙型流感病毒 HA 蛋白產品資訊
分子別稱:Hemagglutinin, HA1
蛋白構建:A DNA sequence encoding the Influenza B virus (B/Victoria/02/1987) hemagglutinin (ABL77244.1) (Met1-Lys362), termed as HA1, was expressed with a polyhistidine tag at the C-terminus.
分子種屬:Influenza B
表達宿主:Human Cells
#N/A: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.
乙型流感病毒 HA 蛋白質控檢測
純度:> 95 % as determined by SDS-PAGE.
內毒素:<1.0 EU per μg protein as determined by the LAL method.
穩定性:Samples are stable for up to twelve months from date of receipt at -70℃
預測N端:Asp 16
分子量:The recombinant HA1 subunit of the Influenza B virus (B/Victoria/02/1987) hemagglutinin consists 358 amino acids and predicts a molecular mass of 38.9 kDa.
緩衝液: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.
乙型流感病毒 HA 蛋白使用指導
儲存方法: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.
#N/A:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
乙型流感病毒 HA Protein SDS-PAGE
Influenza B (B/Victoria/02/1987) Hemagglutinin / HA Protein (His Tag)

HA 相關信號通路

    Other HA Recombinant Protein Products
    HA 研究背景

    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.

    乙型流感病毒 HA 參考資料
  • 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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    貨號: 40163-V08H-50
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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.