RayBiotech's Anti-Histone H2A.X (Ser139) Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Anti-Histone H2A.X (Ser139) Antibody was generated using H2A.X variant histone as the antigen and it reacts with Homo Sapiens, and Human.