mTOR Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot Western blotting (1:250 – 1:2500). Rat liver tissue lysate can be used as a positive control. However, the optimal concentrations should be determined individually. The antibody recognizes the mTOR of human, mouse, and rat origins. Reactivity to other species has not been tested.