there were also increments in the vmax of the choline kinase reaction , which converts entering [ 14c ] -choline into [ 14c ] -phosphorylcholine , and of the cholinephosphotransferase reaction in which [ 14c ] -cdp-choline is incorporated into [ 14c ] -phosphatidylcholine , whereas the apparent km of each reaction was unchanged .
C0008405
choline
C0031716
phosphorylcholine