Cat#:RP-160A;Product Name:Recombinant Influenza A H5N1 Hemagglutinin Protein (HA1 Subunit) (His Tag);Synonym:HA1;Description:A DNA sequence encoding the N-terminal segment (Met 1-Glu 340) of the influenza A hemagglutinin H5N1 (A/duck/Laos/3295/2006 (H5N1)) (ABG67978.1), termed as HA1, was fused with a C-terminal polyhistidine tag.;Source:Human Cells;Predicted N Terminal:Asp 17;Molecular Characterization:The secreted recombinant HA1 subunit influenza A H5N1 (A/duck/Laos/3295/2006 (H5N1)) HA comprises 335 amino acids and has a predicted molecular mass of 38 kDa. As a result of glycosylation, the apparent molecular mass of the protein is approximately 50-55;Purity:Greater than 97 % 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℃).;