Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b.

Abstract excerpt

The cytochrome bc1 complex of the yeast Saccharomyces cerevisiae is composed of 10 different subunits that are assembled as a symmetrical dimer in the inner mitochondrial membrane. Three of the subunits contain redox centers and participate in catalysis, whereas little is known about the function of the seven supernumerary subunits. To gain further insight into the function of the supernumerary subunits in the...

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