PAX6 Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot Western blotting (0.5-4 μg/ml). However, the optimal conditions should be determined individually. The antibody recognizes ~32 kDa and 47 kDa isoforms of PAX6 in samples from human, mouse and rat origins. Reactivity to other species has not been tested.