Cell Signaling Technology's MEK1/2 (D1A5) Rabbit mAb (BSA and Azide Free) is a Rabbit monoclonal antibody. The MEK1/2 (D1A5) Rabbit mAb (BSA and Azide Free) Antibody was generated using Map2k1, and MAP2K2 as the antigen. It reacts with Homo Sapiens, Human, Mouse, Rat, Drosophila/Arthropod, and Non-Human Primate. This antibody has been shown to work in applications such as: Flow Cytometry, Immunocytochemistry, Immunofluorescence, and Western Blot.