Thermo Fisher Scientific's Complement C4 Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot. The Complement C4 Antibody was generated using C4A, C4B, complement component 4B (Chido blood group), copy 2, and C4B_2 as the antigen and it reacts with Homo Sapiens, and Human.