1.6.4.1	cystine reductase (NADH)	transferred to EC 1.8.1.6	
1.6.4.10	CoA-disulfide reductase (NADH)	transferred to EC 1.8.1.14	
1.6.4.2	glutathione reductase (NADPH)	transferred to EC 1.8.1.7	
1.6.4.3	dihydrolipoamide reductase (NAD+)	transferred to EC 1.8.1.4	
1.6.4.4	protein-disulfide reductase [NAD(P)H]	transferred to EC 1.8.1.8	
1.6.4.5	thioredoxin reductase (NADPH)	transferred to EC 1.8.1.9	
1.6.4.6	CoA-glutathione reductase (NADPH)	transferred to EC 1.8.1.10	
1.6.4.7	asparagusate reductase (NADH)	transferred to EC 1.8.1.11	
1.6.4.8	trypanothione reductase	transferred to EC 1.8.1.12	
1.6.4.9	bis-gamma-glutamylcystine reductase (NADPH)	transferred to EC 1.8.1.13