B U2OS:GFP‐parkin cells were treated with DMSO (DMSO), 25 μM antimycin A (anti A), 25 μM antimycin A and 10 μM oligomycin (anti A + oligo), or 20 μM CCCP (CCCP) for two hours, then fixed and immunostained for TOM20 (red). Scale bars, 50 μm. 