3.5.2.1	barbiturase	-	
3.5.2.10	creatininase	-	
3.5.2.11	L-lysine-lactamase	-	
3.5.2.12	6-aminohexanoate-cyclic-dimer hydrolase	-	
3.5.2.13	2,5-dioxopiperazine hydrolase	-	
3.5.2.14	N-methylhydantoinase (ATP-hydrolysing)	-	
3.5.2.15	cyanuric acid amidohydrolase	-	
3.5.2.16	maleimide hydrolase	-	
3.5.2.17	hydroxyisourate hydrolase	-	
3.5.2.18	enamidase	-	
3.5.2.19	streptothricin hydrolase	-	
3.5.2.2	dihydropyrimidinase	-	
3.5.2.20	isatin hydrolase	-	
3.5.2.3	dihydroorotase	-	
3.5.2.4	carboxymethylhydantoinase	-	
3.5.2.5	allantoinase	-	
3.5.2.6	beta-lactamase	-	
3.5.2.7	imidazolonepropionase	-	
3.5.2.8	cephalosporinase	deleted, included in EC 3.5.2.6	
3.5.2.9	5-oxoprolinase (ATP-hydrolysing)	-	
3.5.2.B2	(+)-gamma-lactamase	preliminary BRENDA-supplied EC number	
3.5.2.B3	(-)-gamma-lactamase	preliminary BRENDA-supplied EC number