The Pab Rb x rat PROS1 (Vitamin K-Dependent Protein S, Protein S (Alpha)) antibody from United States Biological is a Rabbit Polyclonal antibody to PROS1, and protein S. This antibody recognizes Rat antigen. The Pab Rb x rat PROS1 (Vitamin K-Dependent Protein S, Protein S (Alpha)) antibody has been shown to work in the following applications: Western Blot.