1.1.1.102	3-dehydrosphinganine reductase	sphingolipid biosynthesis (yeast)	-	-	
1.14.18.5	sphingolipid C4-monooxygenase	sphingolipid biosynthesis (yeast)	-	-	
1.14.18.6	4-hydroxysphinganine ceramide fatty acyl 2-hydroxylase	sphingolipid biosynthesis (yeast)	-	-	
2.3.1.50	serine C-palmitoyltransferase	sphingolipid biosynthesis (yeast)	-	-	
2.3.1.297	very-long-chain ceramide synthase	sphingolipid biosynthesis (yeast)	-	-	
2.4.1.370	inositol phosphorylceramide mannosyltransferase	sphingolipid biosynthesis (yeast)	-	-	
2.7.1.227	inositol phosphorylceramide synthase	sphingolipid biosynthesis (yeast)	-	-	
2.7.1.228	mannosyl-inositol-phosphoceramide inositolphosphotransferase	sphingolipid biosynthesis (yeast)	-	-