2.7.7.2	Biosynthesis of secondary metabolites	-	01110	-	
2.7.7.2	flavin biosynthesis	flavin biosynthesis	-	-	
2.7.7.2	flavin biosynthesis I (bacteria and plants)	-	-	RIBOSYN2-PWY	
2.7.7.2	flavin biosynthesis II (archaea)	-	-	PWY-6167	
2.7.7.2	flavin biosynthesis III (fungi)	-	-	PWY-6168	
2.7.7.2	flavin salvage	-	-	PWY66-366	
2.7.7.2	Metabolic pathways	-	01100	-	
2.7.7.2	Riboflavin metabolism	-	00740	-