1.6.99.1	NADPH dehydrogenase	-	
1.6.99.10	dihydropteridine reductase (NADH)	deleted, included in EC 1.6.99.7	
1.6.99.11	aquacobalamin reductase (NADPH)	transferred to EC 1.2.1.51	
1.6.99.12	cyanocobalamin reductase (NADPH, cyanide-eliminating)	transferred to EC 1.16.1.6	
1.6.99.13	ferric-chelate reductase	transferred to EC 1.16.1.7	
1.6.99.2	NAD(P)H dehydrogenase (quinone)	transferred to EC 1.6.5.2	
1.6.99.3	NADH dehydrogenase	deleted, now covered by EC 7.1.1.2, NADH:ubiquinone reductase (H+-translocating)	
1.6.99.4	nitrite reductase	transferred to EC 1.18.1.2	
1.6.99.5	NADH dehydrogenase (quinone)	transferred to EC 1.6.5.11	
1.6.99.6	NADPH dehydrogenase (quinone)	transferred to EC 1.6.5.10	
1.6.99.7	dihydropteridine reductase	transferred to EC 1.5.1.34	
1.6.99.8	aquacobalamin reductase	transferred to EC 1.16.1.3	
1.6.99.9	cob(II)alamin reductase	transferred to EC 1.16.1.4