As a result , intermediate 1 , 3 - phosphoMVAPP , now has a much better leaving group , which helps to produce intermediate 2 .
A serine residue deprotonates the hydroxyl on MVAPP and facilitates the oxygen to attack a phosphate from ATP .
Intermediate 1 , 3 - phosphoMVAPP , now has a much better leaving group , which helps to produce intermediate 2 .
A serine residue deprotonates the hydroxyl on MVAPP and facilitates the oxygen to attack a phosphate from ATP .