The Phospho-Progesterone R/NR3C3 (S294) Antibody from R&D Systems, a Bio-Techne Brand is a Rabbit Polyclonal antibody to PGR, and Progesterone receptor. This antibody recognizes Homo Sapiens, and Human antigen. The Phospho-Progesterone R/NR3C3 (S294) Antibody has been shown to work in the following applications: Western Blot.