Functional characterization of the lesion in the ubiquinol: cytochrome c oxidoreductase complex isolated from the nonphotosynthetic strain R126 of Rhodobacter capsulatus.

Abstract excerpt

The cytochrome bc1 complexes from the nonphotosynthetic strain R126 of Rhodobacter capsulatus and from its revertant MR126 were purified. Between both preparations, no difference could be observed in the stoichiometries of the cytochromes, in their spectral properties, and in their midpoint redox potentials. Both also showed identical polypeptide patterns after electrophoresis on polyacrylamide gels in the...

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