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. 2018 Oct 2;7:e39213. doi: 10.7554/eLife.39213

Figure 11. In vitro assay of a minimal respiratory chain of complex I and bo3-type ubiquinol oxidase.

Figure 11.

(A) Assay conducted at the substrate concentration used for cryo-EM sample preparation (2 μM complex I, 1 μM oxidase, 2 mM NADH and 200 μM DBQ at 18°C. The reaction was started by addition of NADH. (B) Inhibition of complex I by DQA (blue) and of the Vitreoscilla oxidase by CN- (red).