Matriptase 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. The antibody recognizes ~75 kDa doublets of Matriptase in samples from human, mouse and rat, origins. Reactivity to other species has not been tested.