2.1.1.315	27-O-demethylrifamycin SV methyltransferase	Biosynthesis of ansamycins	-	
2.2.1.1	transketolase	Biosynthesis of ansamycins	-	
2.7.1.179	kanosamine kinase	Biosynthesis of ansamycins	-	
4.2.1.144	3-amino-5-hydroxybenzoate synthase	Biosynthesis of ansamycins	-	
6.2.1.74	3-amino-5-hydroxybenzoate-[acyl-carrier protein] ligase	Biosynthesis of ansamycins	-