The Phospho-Histone H2AX-S139 Rabbit pAb (AMR00845N) Antibody from Leading Biology is a Rabbit Polyclonal antibody to H2A.X variant histone, and H2AX. This antibody recognizes Human, Mouse, and Rat antigen. The Phospho-Histone H2AX-S139 Rabbit pAb (AMR00845N) Antibody has been shown to work in the following applications: Western Blot.