2.1.1.103	phosphoethanolamine N-methyltransferase	phosphatidylcholine biosynthesis II	
2.7.7.15	choline-phosphate cytidylyltransferase	phosphatidylcholine biosynthesis II	
2.7.8.2	diacylglycerol cholinephosphotransferase	phosphatidylcholine biosynthesis II