(B) Mean incorporation rates of COX subunits into SC I+III2plus from COX2∆ cybrids. Signals from three independent experiments were quantified and normalized by CII. Time-point values are expressed as percentages of the untreated cells (SS) and indicated as mean ± SD. Control (143B) values for subunits COX4, COX5A and COX6C were obtained from (Moreno-Lastres et al., 2012). 