And it turns out that the alphagin has something we call Gtpa's activity, the ability to actually take a water molecule and hydrolyze that GTP into GDP. Now, this hydrolysis doesn't take place immediately after activation of that alpha G protein. And that's because we want to give that alpha G protein the cell wants to give that alphagy protein some time to actually carry out its function before being activated. And so the hydrolysis usually occurs within a few seconds to a few minutes after the alphagy protein is activated. And this gives us plenty of time to actually carry out its function. And so, to summarize, let's take a look at this diagram.