How do G-proteins become deactivated?

Name: How do G-proteins become deactivated?
Brand: Quizplus
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Quizplus · Accepted Answer

G-proteins become deactivated when GTP is hydrolyzed to GDP. This process is catalyzed by the intrinsic GTPase activity of the alpha subunit, which converts GTP to GDP and phosphate, leading to a conformational change in the G-protein and its dissociation from the effector molecule. This deactivation allows for the G-protein to return to its inactive state and be available for another round of activation.

How Do G-Proteins Become Deactivated? A) GDP Dissociates from The \alpha

How Do G-Proteins Become Deactivated?
A) GDP Dissociates from The \alpha