Phospho-Stat5 Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot, Immunofluorescence Western blotting (1-4 μg/ml) and immunofluorescence (10-20 μg/ml). However, the optimal concentrations should be determined individually. The antibody recognizes ~90 kDa phosphorylated Stat5 (Tyr694) of human, mouse, and rat origins. Reactivity to other species has not been tested.