Genetic complementation between mutant b subunits in F1F0 ATP synthase.

Abstract excerpt

In Escherichia coli, a parallel homodimer of identical b subunits constitutes the peripheral stalk of F(1)F(0) ATP synthase. Although the two b subunits have long been viewed as a single functional unit, the asymmetric nature of the enzyme complex suggested that the functional roles of each b subunit should not necessarily be considered equivalent. Previous mutagenesis studies of the peripheral stalk suffered...

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