Immunoprecipitation of TGF-β receptor II from 293 cell extracts using Normal Rabbit IgG #2729 (lane 2) or TGF-β Receptor II (D3A1) Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using TGF-β Receptor II (D3A1) Rabbit mAb.