The Pab Rb x human Smad1, phosphorylated (Ser463,465) (Small Mothers Against Decapentaplegic Deleted in Pancreatic Carcinoma) (FITC) antibody from United States Biological is a Rabbit Polyclonal antibody to SMAD1. This antibody recognizes Mouse antigen. The Pab Rb x human Smad1, phosphorylated (Ser463,465) (Small Mothers Against Decapentaplegic Deleted in Pancreatic Carcinoma) (FITC) antibody has been shown to work in the following applications: Western Blot.