4.99.1.9	Biosynthesis of secondary metabolites	-	01110	-	
4.99.1.9	heme b biosynthesis IV (Gram-positive bacteria)	-	-	PWY-7766	
4.99.1.9	Metabolic pathways	-	01100	-	
4.99.1.9	Porphyrin and chlorophyll metabolism	-	00860	-