PAK2 Antibody Host:Rabbit Antibody Type:Polyclonal Species Reactivity:Human, mouse, rat, rabbit Application:Western blot Western blotting (0.5-4 μg/ml). However, the optimal concentrations should be determined individually. Jurkat cell lysate (Cat.# 2601-100) can be used as a positive control. The antibody recognizes 60 kDa Pak2 of human, mouse, rat, and rabbit origins. The antibody does not cross-react with Pak1, Pak3, and Pak4-6. Reactivity to other species has not been tested.