Phospho-p38 MAPK Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat Application:Western blot, Immunoprecipitation, Immunohistochemistry Western blotting (0.5-4 μg/ml), immunoprecipitation (10-20 mg/ml) and Immunohistochemistry (10-20 μg/ml). However, the optimal concentrations should be determined individually. The antibody recognizes 43 kDa phosphorylated p38 (Thr180/Tyr182) MAP kinase of human, mouse, and rat origins. Reactivity to other species has not been tested.