Cat#:RP-228A;Product Name:Recombinant Influenza A H9N2 Hemagglutinin / HA Protein (His Tag);Synonym:Hemagglutinin, HA;Description:A DNA sequence encoding the Influenza A virus (A/Duck/HongKong/448/78(H9N2)) hemagglutinin (AAO46079.1) (Met1-Lys523), termed as HA, was expressed with a polyhistidine tag at the C-terminus.;Source:Baculovirus-Insect Cells;Predicted N Terminal:Asp 19;Molecular Characterization:The recombinant hemagglutinin of Influenza A virus (A/Duck/HongKong/448/78(H9N2)) consists 516 amino acids and predicts a molecular mass of 58.2 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 % glycerol, pH 7.4.;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℃).;