Role of the delta subunit in enhancing proton conduction through the F0 of the Escherichia coli F1F0 ATPase.


We studied the effect of the delta subunit of the Escherichia coli F1 ATPase on the proton permeability of the F0 proton channel synthesized and assembled in vivo. Membranes isolated from an unc deletion strain carrying a plasmid containing the genes for the F0 subunits and the delta subunit were significantly more permeable to protons than membranes… (More)


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