(B) UBA enrichment of ubiquitinated proteins from HeLa+HA-Parkin cells, BAX-/- BAK-/- (DKO) HeLa cells or wild-type (WT) HeLa cells expressing HA-Parkin in response to 1 µM of each of ABT-737 and S63485 for 3 h (BH3) in the presence of QVD.oph (10 μM). Representative of three independent experiments. 