The Anti - PR (Progesterone Receptor) Antibody from MyBioSource.com is a Rabbit Monoclonal antibody to NR3C3, PG, PGR, and Progesterone receptor. This antibody recognizes Human antigen. The Anti - PR (Progesterone Receptor) Antibody has been shown to work in the following applications: Immunohistochemistry, and Immunohistochemistry - fixed.