2.7.8.27	Metabolic pathways	-	01100	-	
2.7.8.27	sphingolipid biosynthesis (mammals)	-	-	PWY-7277	
2.7.8.27	Sphingolipid metabolism	-	00600	-	
2.7.8.27	sphingomyelin metabolism	-	-	PWY3DJ-11281