Fis1 Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot Western blotting (1-4 μg/ml). Per research’s feedback, the antibody can also be used in immunofluorescence. However, the optimal concentrations should be determined individually. The antibody recognizes Fis1 of human, mouse, and rat origins.