The Anti - C4d complement Antibody from MyBioSource.com is a Rabbit Monoclonal antibody to C4, C4A, C4A4, C4S, Complement C4a, Miscellaneous, and RG. This antibody recognizes Human antigen. The Anti - C4d complement Antibody has been validated for the following applications: Immunohistochemistry, and Immunohistochemistry - fixed.