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The second stalk: the delta-b subunit connection in ECF1F0
I Ogilvie1, S Wilkens, A J Rodgers
1Institute of Molecular Biology, University of Oregon, Eugene 97403-1229, USA.
Abstract:
The ATP synthase F1F0 is the smallest molecular motor yet studied. ATP hydrolysis drives the rotary motion of the primary stalk subunits gamma and epsilon relative to the alpha 3 beta 3 part of F1. Evidence is reviewed to show that the delta and b subunits provide a second stalk that can act as a stator to facilitate these rotational movements.