1.8.99.1	sulfite reductase	deleted, now covered by EC 1.8.1.2, assimilatory sulfite reductase (NADPH) and EC 1.8.7.1, assimilatory sulfite reductase (ferredoxin).	
1.8.99.3	hydrogensulfite reductase	deleted, now known to be an in vitro artifact of EC 1.8.99.5, dissimilatory sulfite reductase	
1.8.1.3	hypotaurine dehydrogenase	deleted, reaction covered by EC 1.8.1.3	
1.8.3.B2	formylglycine generating enzyme	deleted, replaced by EC 1.8.3.7	
1.8.1.B1	thioredoxin glutathione reductase	preliminary BRENDA-supplied EC number	
1.8.1.B4	[protein disulfide oxidoreductase]-disulfide oxidoreductase	preliminary BRENDA-supplied EC number	
1.8.1.B5	protein-disulfide reductase (CoM-dependent)	preliminary BRENDA-supplied EC number	
1.8.4.B3	thioredoxin-independent methionine sulfoxide reductases B	preliminary BRENDA-supplied EC number	
1.8.5.B1	peptide-methionine (S)-S-oxide reductase (quinone)	preliminary BRENDA-supplied EC number	
1.8.99.B1	protein-disulfide reductase (acceptor)	preliminary BRENDA-supplied EC number