DKK2 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 57 kDa Dkk2 in samples from human, mouse and rat origins. A ~55 kDa and ~28 kDa Dkk2 fragments can also be detected in rat kidney tissue lysate. Reactivity to other species has not been determined.