Article
Chemical modification of mono-cysteine mutants allows a more global look at conformations of the epsilon subunit of the ATP synthase from Escherichia coli.
Journal of bioenergetics and biomembranes - 1 Feb 2007
Ganti Sangeeta, Vik Steven B
Abstract excerpt
The epsilon subunit of the ATP synthase from E. coli undergoes conformational changes while rotating through 360 degrees during catalysis. The conformation of epsilon was probed in the membrane-bound ATP synthase by reaction of mono-cysteine mutants with 3-N-maleimidyl-propionyl biocytin (MPB) under resting conditions, during ATP hydrolysis, and after inhibition by ADP-AlF(3). The relative extents of labeling...
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