Histone H2AX Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse Application:Western blot, Immunofluorescence Western blotting (1:500 – 1:2500) and immunofluorescence (1:50-1:100). However, the optimal concentrations should be determined individually. The antibody recognizes the H2AX of human and mouse origins. Reactivity to other species has not been tested.