Reaction catalyzed by 1-alkyl-2-acetylglycerophosphocholine esterase (3.1.1.47)

		+		H2O	=			+
	1-palmitoyl-2(5-oxovaleroyl)-sn-glycero-3-phosphocholine	+		H2O	=		1-palmitoyl-sn-glycero-3-phosphocholine	+		5-oxopentanoate