The Pab Rb x human SMAD3, ID antibody from United States Biological is a Rabbit Polyclonal antibody to SMAD3. This antibody recognizes Homo Sapiens, Human, and Rat antigen. The Pab Rb x human SMAD3, ID antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, and Western Blot.