1.1.1.300	NADP-retinol dehydrogenase	retinol biosynthesis	-	-	
1.13.11.63	beta-carotene 15,15'-dioxygenase	retinol biosynthesis	-	-	
2.3.1.135	phosphatidylcholine-retinol O-acyltransferase	retinol biosynthesis	-	-	
3.1.1.1	carboxylesterase	retinol biosynthesis	-	-	
3.1.1.3	triacylglycerol lipase	retinol biosynthesis	-	-