Anti-HA tag, AlpHcAbs® Mouse IgG2a antibody (HRP) is designed for detecting HA tag fusion protein specifically. Anti-HA tag, AlpHcAbs® Mouse IgG2a antibody (HRP) is based on recombinant, mouse IgG2a Fc fused single domain antibody to HA tag coupled to HRP. Based on western blot and ELISA, Anti-HA tag, AlpHcAbs® Mouse IgG2a antibody (HRP) reacts with the HA tag selectively, no reactivity with other proteins.