Cat#:RP-094A;Product Name:Recombinant Influenza A H1N1 Hemagglutinin / HA Protein (His Tag);Synonym:HA;Description:A DNA sequence encoding the extracellular domain of Influenza A virus H1N1 (A/California/07/2009) (ACP44189.1) hemagglutinin (Met 1-Gln 529) (HA1+HA2, two amino acids deletion, uncleaved) was fused with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Asp 18;Molecular Characterization:The secreted recombinant hemagglutinin of Influenza A virus (A/California/07/2009(H1N1)) comprises 521 amino acids with the predicted molecular mass of 59 kDa. As a result of glycosylation, it migrates as an approximately 75-85 kDa band in SDS-PAGE under ;Purity:Greater than 95 % as determined by SDS-PAGE;Endotoxin:< 1.0 EU per ug of the protein as determined by the LAL method;Bioactivity:Please contact us for detailed information;Formulation:Lyophilized from sterile PBS, 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℃).;