Cat#:RP-072A;Product Name:Recombinant Influenza B Hemagglutinin Protein (HA1 Subunit) (His Tag);Synonym:HA1;Description:A DNA sequence encoding the N-terminal fragment (Met1-Arg362) of the influenza B hemagglutinin (influenza B virus (B/Brisbane/60/2008)) (ACN29383.1), termed as HA1, was fused with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Asp 16;Molecular Characterization:The secreted recombinant HA1 subunit of influenza A H5N1 HA (influenza B virus (B/Brisbane/60/2008)) comprises 358 amino acids and has a predicted molecular mass of 39.1 kDa. As a result of glycosylation, it migrates as an approximately 66 kDa band in SDS;Purity:Greater than 92 % 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℃).;