1.21.1.1	iodotyrosine deiodinase	-	
1.21.1.2	2,4-dichlorobenzoyl-CoA reductase	-	
1.21.3.1	isopenicillin-N synthase	-	
1.21.3.10	hercynylcysteine S-oxide synthase	-	
1.21.3.2	columbamine oxidase	-	
1.21.3.3	reticuline oxidase	-	
1.21.3.4	sulochrin oxidase [(+)-bisdechlorogeodin-forming]	-	
1.21.3.5	sulochrin oxidase [(-)-bisdechlorogeodin-forming]	-	
1.21.3.6	aureusidin synthase	-	
1.21.3.7	tetrahydrocannabinolic acid synthase	-	
1.21.3.8	cannabidiolic acid synthase	-	
1.21.3.9	dichlorochromopyrrolate synthase	transferred to EC 1.21.98.2	
1.21.4.1	D-proline reductase	-	
1.21.4.2	glycine reductase	-	
1.21.4.3	sarcosine reductase	-	
1.21.4.4	betaine reductase	-	
1.21.4.5	tetrachlorohydroquinone reductive dehalogenase	-	
1.21.98.1	cyclic dehypoxanthinyl futalosine synthase	-	
1.21.98.2	dichlorochromopyrrolate synthase	-	
1.21.98.3	anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase	-	
1.21.98.4	PqqA peptide cyclase	-	
1.21.99.1	beta-cyclopiazonate dehydrogenase	-	
1.21.99.2	cyclic dehypoxanthinyl futalosine synthase	transferred to EC 1.21.98.1	
1.21.99.3	thyroxine 5-deiodinase	-	
1.21.99.4	thyroxine 5'-deiodinase	-	
1.21.99.5	tetrachloroethene reductive dehalogenase	-