Cat#:RP-281A;Product Name:Recombinant Influenza A H1N1 (A/Bel/1942) Hemagglutinin / HA Protein (His Tag);Synonym:Hemagglutinin, HA;Description:A DNA sequence encoding the Influenza A virus (A/Bel/1942 (H1N1)) hemagglutinin (ABD62843.1) (Met1-Gln529), termed as HA, was expressed with a polyhistidine tag at the C-terminus.;Source:Baculovirus-Insect Cells;Predicted N Terminal:Asp 18;Molecular Characterization:The recombinant hemagglutinin of Influenza A virus (A/Bel/1942 (H1N1)) consists of 523 amino acids and predicts a molecular mass of 59.3 kDa.;Purity:Greater than 95 % as determined by SDS-PAGE.;Endotoxin:<1.0 EU per ug protein as determined by the LAL method.;Bioactivity:Please contact us for detailed information;Formulation:Lyophilized from sterile 20 mM Tris, 500 mM NaCl, 10 % gly, pH 8.0.;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Reconstitution:Please see related COA for specific instructions.;Storage:Avoid repeated freeze-thaw cycles. In lyophilized state for 1 year (4-8℃); Upon reconstitution under sterile conditions for 2 weeks (4-8℃) or 3 months (-20℃ to -70℃).;