Description_x000D_ Specificity_x000D_ The antibody recognizes native as well as denatured-reduced forms of HA-tagged proteins and is reactive with N- or C-terminal HA-tagged fusion proteins expressed in E. coli or in mammalian cells._x000D_ Immunogen_x000D_ synthetic peptide corresponding to a fragment of human influenza virus hemagglutinin (HA) known as HA-tag, conjugated to KLH_x000D_ Physical form_x000D_ Solution in 0.05 M Tris buffer, pH 8.0, containing 1% BSA, 1 mM MgCl2, 50% glycerol, and 15 mM sodium azide as a preservative_x000D_ Packaging_x000D_ 500 μg in glass bottle