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Figure 4.
Fig. 4. Superposition of previously reported positions of
ubiquinone in the Q[B] binding pocket [see also (4)]. PDB
(Protein Data^ Bank, Brookhaven) entries and color code: 1PCR,
Ermler et al. (8), yellow; 2RCR, Chang et al. (6), dark blue;
1YST, Arnoux et al. (7), green; 4RCR, Allen et al. (5), red;
present model of the dark structure, light blue. Superposition
was performed^ by the method of Kabsch (52). Side chain residues
from the current dark structure are indicated. Oxygen, nitrogen,
and carbon atoms are colored red, blue, and gray, respectively.
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