Immunoprecipitation of IDO from HeLa cells, treated with Human Interferon-γ (hIFN-γ) #8901 (10 ng/ml, 16 hr), using Normal Rabbit IgG #2729 (lane 2) or IDO Antibody (lane 3). Lane 1 is 10% input. Western blot analysis was performed using IDO Antibody.