ATAD3 DKO HeLa cells expressing GFP-LC3B were transiently transfected with control, ATAD3A-Flag or ATAD3B-Flag. 48 h after transfection, cell lysates were immunoprecipitated (IP) with anti-Flag M2 affinity gel, and analyzed by Western blotting using anti-Flag or anti-GFP antibodies. 