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The uphill electron transfer chain in T. ferrooxidans. Effects of the various bc1 complex inhibitors on the oxidation of ferrocytochrome c (cyt. c) in spheroplasts (spher.), in the presence of KCN, are shown. (A) Qn site inhibitors; (B) Qp site inhibitors. Experimental conditions are as described in the legend to Fig. 1 and in the text. Protein concentration, 5 mg/ml. A, absorbance; s, seconds.
