Cell Signaling Technology's PP2A A Subunit (81G5) Rabbit mAb (BSA and Azide Free) is a Rabbit monoclonal antibody. The PP2A A Subunit (81G5) Rabbit mAb (BSA and Azide Free) Antibody was generated using PPP2R1A as the antigen. It reacts with Homo Sapiens, Human, Mouse, Rat, and Non-Human Primate. This antibody has been shown to work in applications such as: Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.