FANCD2 and Fanconi anemia: The FANCD2 ubiquitin-dead K561R mutant (Fig. S1F), which can no longer be monoubiquitylated by the Fanconi anemia core complex (Garcia-Higuera et al., 2001), still exhibited nLD localization in the OA-supplemented medium, similar to the wild-type FANCD2 (Fig. 2E).