1.14.19.22	acyl-lipid omega-6 desaturase (cytochrome b5)	linoleate biosynthesis I (plants)	
1.14.19.23	acyl-lipid (n+3)-(Z)-desaturase (ferredoxin)	linoleate biosynthesis I (plants)	
2.3.1.23	1-acylglycerophosphocholine O-acyltransferase	linoleate biosynthesis I (plants)