1.16.1.1	mercury(II) reductase	-	
1.16.1.10	ferric-chelate reductase [NAD(P)H]	-	
1.16.1.2	diferric-transferrin reductase	-	
1.16.1.3	aquacobalamin reductase	deleted	
1.16.1.4	cob(II)alamin reductase	deleted	
1.16.1.5	aquacobalamin reductase (NADPH)	deleted, this entry has been deleted since no specific enzyme catalysing this activity has been identified and it has been shown that aquacobalamin is efficiently reduced by free dihydroflavins and by non-specific reduced flavoproteins	
1.16.1.6	cyanocobalamin reductase	-	
1.16.1.7	ferric-chelate reductase (NADH)	-	
1.16.1.8	[methionine synthase] reductase	-	
1.16.1.9	ferric-chelate reductase (NADPH)	-	
1.16.3.1	ferroxidase	-	
1.16.3.2	bacterial non-heme ferritin	-	
1.16.3.3	manganese oxidase	-	
1.16.3.4	cuproxidase	-	
1.16.5.1	ascorbate ferrireductase (transmembrane)	transferred to EC 7.2.1.3	
1.16.8.1	cob(II)yrinic acid a,c-diamide reductase	deleted, activity due to EC 2.5.1.17, corrinoid adenosyltransferase	
1.16.9.1	iron:rusticyanin reductase	-	
1.16.98.1	iron:rusticyanin reductase	transferred to EC 1.16.9.1	
1.16.98.B1	mitochondrial amidoxime reducing component	preliminary BRENDA-supplied EC number	
1.16.99.1	[Co(II) methylated amine-specific corrinoid protein] reductase	-