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Recombinant Influenza B Hemagglutinin/HA Protein (HEK293, C-His)

Cat. No. M40779
Recombinant Influenza B Hemagglutinin/HA Protein (HEK293, C-His) Structure
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Quality Control & Documentation
  • Purity: >90%, Endotoxin < 1.0 EU/μg
  • COA
  • MSDS
Biological Activity

Recombinant Influenza B Hemagglutinin / HA Protein is a homotrimer that recognizes target cells in vertebrates and does so by binding to salivary acid-containing receptors on these cells. When it binds to the target cell, it causes the host inner membrane to fuse with the viral membrane, thereby facilitating the entry of the viral genome into the target cell.


Apparent Molecular Weight: 59.7 kDa

Endotoxin < 1.0 EU/μg

Lyophilized from sterile 20 mM Tris, 150 mM NaCl, 0.2 M Arg, 10 % glycerol, 0.01 % tween20, pH 8.5.

Chemical Information
Form Lyophilized powder
Storage Stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days and at -20°C for 3 months.
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Manjusha Gaglani et al. Clin Infect Dis. Effect of Repeat Vaccination on Immunogenicity of Quadrivalent Cell-Culture and Recombinant Influenza Vaccines Among Healthcare Personnel Aged 18-64 Years: A Randomized, Open-Label Trial

[2] Chen Yang et al. Sheng Wu Gong Cheng Xue Bao. [Expression of influenza B virus hemagglutinin and its immunogenicity determination]

[3] Nimitha R Mathew et al. Front Immunol. Recombinant Influenza Vaccines: Saviors to Overcome Immunodominance

[4] Chao Wang et al. Nanomedicine. Gold nanoparticles conjugating recombinant influenza hemagglutinin trimers and flagellin enhanced mucosal cellular immunity

[5] Lisa M Dunkle et al. N Engl J Med. Efficacy of Recombinant Influenza Vaccine in Adults 50 Years of Age or Older

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