Cat#:RP-086A;Product Name:Recombinant Influenza A H5N1 Hemagglutinin / HA Protein (His Tag);Synonym:HA;Description:A DNA sequence encoding the extracellular domain (Met1-Gln539) of the influenza hemagglutinin (A/Duck/Hong Kong/p46/97 (H5N1)) (AAF02306.1) (HA1+HA2, uncleaved), cleavage site mutated (RRRKKR-TETR) was fused with a polyhistidine tag at the C-terminus.;Source:Human Cells;Predicted N Terminal:Arg 23;Molecular Characterization:The secreted recombinant influenza A H5N1 HA (A/Duck/Hong Kong/p46/97 (H5N1)) comprises 526 amino acids and has a predicted molecular mass of 60 kDa. It migrates as an approximately 65 kDa band in SDS-PAGE under reducing conditions.;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, 750mM NaCl, 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℃).;