The CD4 Polyclonal Antibody Bio Conjugated from MyBioSource.com is a Rabbit Polyclonal antibody to CD4. This antibody recognizes Human, Mouse, and Rat antigen. The CD4 Polyclonal Antibody Bio Conjugated has been shown to work in the following applications: Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, Immunohistochemistry - frozen, and Western Blot.