Figure 1 - full size

 

Figure 1.
Fig. 1. The Q[B] binding site and its immediate environment, showing the two positions observed for ubiquinone binding. The distal position is shown in purple, the proximal in orange. Shown are coordinates from 1AIG [PDB] and 1AIJ [PDB] (16). Figs. 1, 3 and 4 were prepared with PYMOL.