2.6.99.1	dATP(dGTP)-DNA purinetransferase	-	
2.6.99.2	pyridoxine 5'-phosphate synthase	-	
2.6.99.3	O-ureido-L-serine synthase	-	
2.6.99.4	N6-L-threonylcarbamoyladenine synthase	transferred to EC 2.3.1.234