The Polyclonal Antibody to Complement Component 3a (C3a) from MyBioSource.com is a Rabbit Polyclonal antibody to C3aR, and C3AR1. This antibody recognizes Human antigen. The Polyclonal Antibody to Complement Component 3a (C3a) has been shown to work in the following applications: ELISA, Immunocytochemistry, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.