1.14.15.33	pikromycin synthase	narbomycin, pikromycin and novapikromycin biosynthesis	
2.3.1.240	narbonolide synthase	narbomycin, pikromycin and novapikromycin biosynthesis	
2.4.1.277	10-deoxymethynolide desosaminyltransferase	narbomycin, pikromycin and novapikromycin biosynthesis