And so this stage is known as the E two P. And notice it's called E two and not E one. So here we have E one, E one, e one and E one, because essentially this confirmation is still open to the cytoplasmic side of that membrane. But the E two means it is open to the other side, the lumen side of that membrane. So here we have this conformation, but here we have this confirmation. That's why we have the E two. Now, in the final step, or I shouldn't say the final step, but in the next step, we basically use a water molecule to actually hydrolyze and remove this phosphoryl group from the P domain.