Cat#:RP-174A;Product Name:Recombinant Influenza A H7N7 Hemagglutinin Protein (HA1 Subunit) (His Tag);Synonym:HA1;Description:A DNA sequence encoding the N-terminal segment (Met 8-Arg 345) of Influenza A virus (A/Netherlands/219/03 (H7N7)) hemagglutinin (AAR02640.1), termed as HA1, was fused with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Asp 26;Molecular Characterization:The recombinant HA1 subunit of Influenza A virus hemagglutinin (A/Netherlands/219/03 (H7N7)) comprises 331 amino acids with the predicted molecular mass of 36.4 kDa. As a result of glycosylation, it migrates as an approximately 48 kDa band in SDS-PAGE und;Purity:Greater than 90 % 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℃).;