Circular-dichroism studies of the cytochrome b-c1 complex of Saccharomyces cerevisiae.


1. Circular dichroism studies on the Soret region of the cytochrome b-c1 complex of yeast reveal a change in the dichroism of cytochrome c1 depending on the redox state of cytochrome b, indicating a conformational interaction between both cytochromes. 2. This interaction is not influenced by binding of the inhibitor antimycin A to the complex, so that the… (More)


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