Cat#:RP-079A;Product Name:Recombinant Influenza A H5N1 Hemagglutinin Protein (HA2 Subunit) (Fc Tag);Synonym:HA2;Description:A DNA sequence encoding the C-terminal segment (Gly 347-Gln 531) of hemagglutinin (Influenza A virus (A/Viet Nam/1203/2004 (H5N1)) (AAW80717.1), termed as HA2, was fused with the Fc region of mouse IgG1 at the N-terminus.;Source:Human Cells;Predicted N Terminal:Glu;Molecular Characterization:Recombinant mFc/HA2 is a disulfide-linked homodimeric protein. The reduced monomer consists of 422 amino acids and has a calculated molecular mass of 47.9 kDa. As a result of glycosylation, the mFc/HA2 monomer migrates as an approximately 50-55 kDa protei;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 100mM NaAc, 10mM NaCl, 200mM Tris, pH 7.5;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℃).;