Anti-HER2 (Phospho-Tyr1221/Tyr1222)

Anti-HER2 (Phospho-Tyr1221/Tyr1222) — Y011076 — is a rabbit polyclonal antibody detecting HER2/ErbB2 (~185 kDa) phosphorylated at the adjacent C-terminal autophosphorylation sites Tyr1221 and Tyr1222, which are direct markers of HER2 kinase activation. Validated for WB and IHC in human, mouse, and rat. Affinity-purified from phosphopeptide spanning residues 1191–1240. Store at –20 °C.