6.3.4.1	GMP synthase	transferred to EC 6.3.5.2	
6.3.4.10	biotin-[propionyl-CoA-carboxylase (ATP-hydrolysing)] ligase	-	
6.3.4.11	biotin-[methylcrotonoyl-CoA-carboxylase] ligase	-	
6.3.4.12	glutamate-methylamine ligase	-	
6.3.4.13	phosphoribosylamine-glycine ligase	-	
6.3.4.14	biotin carboxylase	-	
6.3.4.15	biotin-[biotin carboxyl-carrier protein] ligase	-	
6.3.4.16	carbamoyl-phosphate synthase (ammonia)	-	
6.3.4.17	formate-dihydrofolate ligase	-	
6.3.4.18	5-(carboxyamino)imidazole ribonucleotide synthase	-