Correction: Complex II ambiguities—FADH2 in the electron transfer system

The diagram in Figure 1B was erroneously labeled “Succinate²⁺” and “Fumarate²⁺”. It should instead read “Succinate^2-” and “Fumarate^2-”. As these entities were represented correctly throughout other iterations in the article, no changes to the text were necessary.

VOLUME 300 (2023) ARTICLE NUMBER 105470