1.8.1.14	CoA-disulfide reductase	-	
1.8.1.10	CoA-glutathione reductase	-	
1.8.98.4	coenzyme F420:CoB-CoM heterodisulfide,ferredoxin reductase	-	
1.8.1.1	cysteamine dehydrogenase	deleted	
1.8.98.7	cysteine-type anaerobic sulfatase-maturating enzyme	-	
1.8.1.6	cystine reductase	-	
1.8.1.4	dihydrolipoyl dehydrogenase	-	
1.8.98.1	dihydromethanophenazine:CoB-CoM heterodisulfide reductase	-	
1.8.2.4	dimethyl sulfide:cytochrome c2 reductase	-	
1.8.1.17	dimethylsulfone reductase	-