A typical adult<unk>  utilizes ~50 kg of ATP per day under normal activity levels, requiring roughly a 1000-fold turnover of the 50 g of ATP/ADP present in the body.
Human ATP synthase
Cholinesterase enzyme
Cytochrome c oxidase
NADH dehydrogenase
Ubiquinol oxidase
Pyruvate dehydrogenase complex
ATPase
Membrane transport protein