Signalway Antibody LLC's ERK1/2 (Phospho-Thr202/Tyr204) Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The ERK1/2 (Phospho-Thr202/Tyr204) Antibody was generated using MAPK1, and MAPK3 as the antigen and it reacts with Human, Mouse, and Rat.