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Energy, Life, and ATP (Nobel Lecture)
1Department of Chemistry and Biochemistry, University of California at Los Angeles, 611 Circle Drive East, Los Angeles, CA 90095-1570 (USA), Fax: (+1) 310-206-7286.
Abstract:
The puzzling results of 18 O-exchange experiments churned in Paul Boyer's mind, and he realized that the proton-motive force generated upon oxidative phosphorylation is not used primarily for the synthesis of an ATP molecule, but instead its release. The concept of the binding change mechanism was born. For the formation of ATP from ADP and inorganic phosphate-one of the most important reactions in nature-catalysis by ATP synthase requires sequential conformational changes and a rotary mechanism that drives these changes; this enzyme is truly a remarkable molecular machine.
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