United States Biological's Rabbit Anti-SMAD1/2/3/4/5 Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Rabbit Anti-SMAD1/2/3/4/5 Antibody was generated using SMAD1 as the antigen and it reacts with Homo Sapiens, Human, Mouse, and Rat.