Reaction catalyzed by phospholipase A2 (3.1.1.4)

		+		H2O	=			+
	1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphorylcholine	+		H2O	=		1-palmitoyl-sn-glycero-3-phosphorylcholine	+		arachidonic acid