The Polyclonal Antibody to Complement Component 4a (C4a) from MyBioSource.com is a Rabbit Polyclonal antibody. This antibody recognizes Human antigen. The Polyclonal Antibody to Complement Component 4a (C4a) has been shown to work in the following applications: ELISA, Immunocytochemistry, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.