Product Overview
A DNA sequence encoding the extracellular domain of Influenza A virus (A/Anhui/1/2005(H5N1) (ABD28180.1) hemagglutinin (Met 1-Gln 527,Ala 150Val) with cleavage site mutated (RERRRKR→TETR, HA1+HA2, uncleaved) was expressed with the bacteriophage T4 fibritin and a polyhistidine tag at the C-terminus.
Molecular Weight
The secreted recombinant hemagglutinin of Influenza A virus (A/Anhui/1/ 2005(H5N1) comprises 557 amino acids with the predicted molecular mass of 63 kDa. As a result of glycosylation, it migrates as an approximately 66 kDa band in SDS-PAGE under reducing conditions.This recombinant HA proteins are polymers based on HPLC analysis (data not shown).
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method
Purity
> 90 % as determined by SDS-PAGE
Format
Lyophilized from sterile 20mM Tris, 500 mM NaCl, 10% glycerol, pH 7.4.1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Storage
Samples are stable for up to twelve months from date of receipt at -70°CStore it under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Keywords
Influenzavirus A; Influenza A virus; Influenza A virus H5N1; H5N1; IAV H5N1
Citations
Publication ()
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COA
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