Characteristics of proton gradient driven enzyme conformational change in ATP synthase include all EXCEPT:

Question

Quizplus · Accepted Answer

The correct characteristics of proton gradient-driven enzyme conformational change in ATP synthase include binding of substrates, ATP synthesis, catalytic cooperativity between subunits, and conformational change in the β-subunits releasing ATP. The statement about the "(αβ)₃ complex rotates relative to a fixed β-subunit" is incorrect because it does not accurately describe the mechanism of ATP synthase. In ATP synthase, it is the central stalk and the c-ring (part of the F0 unit) that rotate relative to the stationary α and β subunits in the F1 catalytic domain, driven by the proton gradient across the membrane.

Characteristics of Proton Gradient Driven Enzyme Conformational Change in ATP