Tom 40 Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot Western blotting (0.5-4 μg/ml). However, the optimal concentrations should be determined individually. Blocking peptide (Cat.# 3740BP-50) is available separately. The antibody recognizes TOM40 in samples of human, mouse and rat origins. Reactivity to other species has not been tested.