The Phospho-Histone H2AX-S139 Rabbit mAb Antibody from MyBioSource.com is a Rabbit Monoclonal antibody to H2A.X variant histone, and H2AX. This antibody recognizes Human, Mouse, and Rat antigen. The Phospho-Histone H2AX-S139 Rabbit mAb Antibody has been shown to work in the following applications: Immunofluorescence, Immunohistochemistry, and Western Blot.