6.3.1.1	aspartate-ammonia ligase	-	
6.3.1.10	adenosylcobinamide-phosphate synthase	-	
6.3.1.11	glutamate-putrescine ligase	-	
6.3.1.12	D-aspartate ligase	-	
6.3.1.13	L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside ligase	-	
6.3.1.14	diphthine-ammonia ligase	-	
6.3.1.15	8-demethylnovobiocic acid synthase	-	
6.3.1.16	carbapenam-3-carboxylate synthetase	transferred to EC 6.3.3.6	
6.3.1.17	beta-citrylglutamate synthase	-	
6.3.1.18	gamma-glutamylanilide synthase	-