Quantification of cristae lumen width (CLW, D, 200–350 cristae per condition) from 4 independent biological replicates as in (A) (n= 25–75 cells per condition). Dots represent individual measurements. Average ± SEM is plotted.***p≤ 0.001;p≤ 0.05 in a one-way ANOVA with Tukey multiple pairwise comparisons.