R&D Systems, a Bio-Techne Brand's Human Progesterone R B/NR3C3 B Antibody is a Mouse monoclonal antibody. The Human Progesterone R B/NR3C3 B Antibody was generated using PGR, and Progesterone receptor as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: EIA, Immunoassay, ELISA, Immunohistochemistry, Immunoprecipitation, and Western Blot.