The RPA135 (4H6) Antibody from Santa Cruz Biotechnology, Inc. is a Mouse Monoclonal antibody to POLR1B. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The RPA135 (4H6) Antibody has been shown to work in the following applications: EIA, Immunoassay, Precipitation, ELISA, Immunofluorescence, Immunohistochemistry - fixed, Immunoprecipitation, and Western Blot.