Cell Signaling Technology's Complement C3 (E2O5U) Rabbit mAb is a Rabbit monoclonal antibody. The Complement C3 (E2O5U) Rabbit mAb Antibody was generated using C3, and complement C3 as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: Western Blot.