AntibodySystem's Anti-Phospho-POLR2A-CTD (p(YSPTSPSYSPTSPS)-1stS5) Antibody (1stS5) is a Mouse monoclonal antibody. The Anti-Phospho-POLR2A-CTD (p(YSPTSPSYSPTSPS)-1stS5) Antibody (1stS5) was generated using POLR2A as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: Precipitation, Immunohistochemistry, Immunoprecipitation, and Western Blot.