The Pab Rb x human RAC3 (Ras-Related C3 Botulinum Toxin Substrate 3, p21-Rac3) (Biotin) antibody from United States Biological is a Rabbit Polyclonal antibody to rac3. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human RAC3 (Ras-Related C3 Botulinum Toxin Substrate 3, p21-Rac3) (Biotin) antibody has been shown to work in the following applications: Western Blot.