The Enzyme Database

Displaying entries 51-100 of 345.

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EC 1.6.99.3      
Deleted entry: NADH dehydrogenase. The activity is covered by EC 7.1.1.2, NADH:ubiquinone reductase (H+-translocating)
[EC 1.6.99.3 created 1961 as EC 1.6.2.1, transferred 1965 to EC 1.6.99.3, modified 2018, deleted 2020]
 
 
EC 1.6.99.8      
Deleted entry: aquacobalamin reductase. 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.
[EC 1.6.99.8 created 1972, deleted 2002]
 
 
EC 1.6.99.10      
Deleted entry: dihydropteridine reductase (NADH). Now included with EC 1.5.1.34, 6,7-dihydropteridine reductase
[EC 1.6.99.10 created 1978, deleted 1981]
 
 
EC 1.6.99.11      
Deleted entry: aquacobalamin reductase (NADPH). This entry has been deleted since the enzyme the entry was based on was later shown to be EC 1.2.1.51, pyruvate dehydrogenase (NADP+). On the other hand, it has been shown that non-enzymatic reduction of cob(III)alamin to cob(II)alamin occurs efficiently in the presence of free dihydroflavins or non-specific reduced flavoproteins.
[EC 1.6.99.11 created 1989, deleted 2002]
 
 
EC 1.7.1.8      
Deleted entry:  withdrawn in the light of further information on the acceptor
[EC 1.7.1.8 created 2002, deleted 2002]
 
 
EC 1.7.99.2      
Deleted entry:  nitric-oxide reductase. Reaction may have been due to the combined action of EC 1.7.99.6 nitrous-oxide reductase and EC 1.7.99.7 nitric-oxide reductase
[EC 1.7.99.2 created 1961, modified 1976, deleted 1992]
 
 
EC 1.7.99.5      
Deleted entry:  5,10-methylenetetrahydrofolate reductase (FADH2). Now included with EC 1.5.1.20, methylenetetrahydrofolate reductase [NAD(P)H]. Based on the reference, it had been thought that this was a separate enzyme from EC 1.5.1.20 but the reference upon which the entry was based has since been disproved
[EC 1.7.99.5 created 1965 as EC 1.1.1.68, transferred 1978 to EC 1.1.99.15, transferred 1980 to EC 1.7.99.5, deleted 2005]
 
 
EC 1.8.1.1      
Deleted entry:  cysteamine dehydrogenase
[EC 1.8.1.1 created 1961, deleted 1972]
 
 
EC 1.8.1.3      
Deleted entry: hypotaurine dehydrogenase. The reaction is now known to be catalyzed by EC 1.14.13.8, flavin-containing monooxygenase.
[EC 1.8.1.3 created 1972, deleted 2022]
 
 
EC 1.8.6.1      
Deleted entry:  Nitrate-ester reductase. Now included with EC 2.5.1.18 glutathione transferase
[EC 1.8.6.1 created 1961, deleted 1976]
 
 
EC 1.8.99.1      
Deleted entry: sulfite reductase. Now covered by EC 1.8.1.2, assimilatory sulfite reductase (NADPH) and EC 1.8.7.1, assimilatory sulfite reductase (ferredoxin).
[EC 1.8.99.1 created 1972, deleted 2015]
 
 
EC 1.8.99.3      
Deleted entry: hydrogensulfite reductase, now known to be an in vitro artifact of EC 1.8.99.5, dissimilatory sulfite reductase
[EC 1.8.99.3 created 1986, deleted 2016]
 
 
EC 1.10.2.1      
Deleted entry: L-ascorbate—cytochrome-b5 reductase. The activity is covered by EC 7.2.1.3, ascorbate ferrireductase (transmembrane)
[EC 1.10.2.1 created 1972, modified 2000, deleted 2021]
 
 
EC 1.12.99.2      
Deleted entry:  coenzyme-M-7-mercaptoheptanoylthreonine-phosphate-heterodisulfide hydrogenase. Now shown to be two enzymes, EC 1.12.98.3, Methanosarcina-phenazine hydrogenase and EC 1.8.98.1, CoB—CoM heterodisulfide reductase
[EC 1.12.99.2 created 1992, deleted 2002]
 
 
EC 1.12.99.5      
Deleted entry:  3,4-dihydroxyquinoline 2,4-dioxygenase. Identical to EC 1.13.11.47, 3-hydroxy-4-oxoquinoline 2,4-dioxygenase
[EC 1.12.99.5 created 1999, deleted 2001]
 
 
EC 1.13.1.7      
Deleted entry: 3,4-dihydroxyphenylacetate 3,4-dioxygenase
[EC 1.13.1.7 created 1965, transferred 1972 to EC 1.13.11.7, deleted 1980]
 
 
EC 1.13.11.7      
Deleted entry:  3,4-dihydroxyphenylacetate 3,4-dioxygenase
[EC 1.13.11.7 created 1965 as EC 1.13.1.7, transferred 1972 to EC 1.13.11.7, deleted 1980]
 
 
EC 1.13.11.13      
Deleted entry: ascorbate 2,3-dioxygenase. The activity is the sum of several enzymatic and spontaneous reactions
[EC 1.13.11.13 created 1972, deleted 2012]
 
 
EC 1.13.11.42      
Deleted entry:  indoleamine-pyrrole 2,3-dioxygenase. The enzyme was identical to EC 1.13.11.11, tryptophan 2,3-dioxygenase
[EC 1.13.11.42 created 1992, deleted 2006]
 
 
EC 1.13.11.44      
Deleted entry: linoleate diol synthase. Activity is covered by EC 1.13.11.60, linoleate 8R-lipoxygenase and EC 5.4.4.6, 9,12-octadecadienoate 8-hydroperoxide 8S-isomerase.
[EC 1.13.11.44 created 2000, deleted 2011]
 
 
EC 1.13.12.10      
Deleted entry:  lysine 6-monooxygenase. Reaction covered by EC 1.14.13.59, L-lysine 6-monooxygenase (NADPH)
[EC 1.13.12.10 created 1989, modified 1999, deleted 2001]
 
 
EC 1.13.12.11      
Deleted entry: methylphenyltetrahydropyridine N-monooxygenase. The activity is due to EC 1.14.13.8, flavin-containing monooxygenase
[EC 1.13.12.11 created 1992, deleted 2006]
 
 
EC 1.14.1.3      
Deleted entry: squalene hydroxylase. Activity is covered by EC 1.14.99.7, squalene monooxygenase and EC 5.4.99.7, lanosterol synthase
[EC 1.14.1.3 created 1961 as EC 1.99.1.13, transferred 1965 to EC 1.14.1.3, deleted 1972]
 
 
EC 1.14.1.9      
Deleted entry:  cholesterol 20-hydroxylase
[EC 1.14.1.9 created 1965, deleted 1972]
 
 
EC 1.14.1.11      
Deleted entry: oestriol 2-hydroxylase
[EC 1.14.1.11 created 1965, deleted 1972]
 
 
EC 1.14.11.5      
Deleted entry:  5-hydroxymethyluracil,2-oxoglutarate dioxygenase. Now included with EC 1.14.11.6 thymine dioxygenase
[EC 1.14.11.5 created 1972, deleted 1976]
 
 
EC 1.14.13.42      
Deleted entry: hydroxyphenylacetonitrile 2-monooxygenase. The activity is covered by EC 1.14.13.68, 4-hydroxyphenylacetaldehyde oxime monooxygenase, that performs the two consecutive reactions in the conversion of (Z)-4-hydroxyphenylacetaldehyde oxime to (S)-4-hydroxymandelonitrile
[EC 1.14.13.42 created 1992, deleted 2011]
 
 
EC 1.14.13.65      
Deleted entry:  2-hydroxyquinoline 8-monooxygenase
[EC 1.14.13.65 created 1999, deleted 2006]
 
 
EC 1.14.13.86      
Deleted entry: 2-hydroxyisoflavanone synthase. This enzyme was classified on the basis of an incorrect reaction. The activity is covered by EC 1.14.14.87, 2-hydroxyisoflavanone synthase
[EC 1.14.13.86 created 2004, deleted 2013]
 
 
EC 1.14.14.2      
Deleted entry:  benzopyrene 3-monooxygenase. Now included with EC 1.14.14.1 unspecific monooxygenase
[EC 1.14.14.2 created 1972, deleted 1976]
 
 
EC 1.14.14.4      
Deleted entry:  choline monooxygenase. Identical to EC 1.14.15.7
[EC 1.14.14.4 created 2000, deleted 2002]
 
 
EC 1.14.16.3      
Deleted entry: anthranilate 3-monooxygenase. Withdrawn owing to insufficient evidence.
[EC 1.14.16.3 created 1972, deleted 2020]
 
 
EC 1.14.17.2      
Deleted entry:  4-coumarate 3-monooxygenase. Now included with EC 1.14.18.1 monophenol monooxygenase
[EC 1.14.17.2 created 1972, deleted 1984]
 
 
EC 1.14.99.8      
Deleted entry:  arene monooxygenase (epoxidizing). Now included with EC 1.14.14.1 unspecific monooxygenase
[EC 1.14.99.8 created 1972, deleted 1984]
 
 
EC 1.14.99.18      
Deleted entry:  CMP-N-acetylneuraminate monooxygenase
[EC 1.14.99.18 created 1976, modified 1999, deleted 2003]
 
 
EC 1.16.1.3      
Deleted entry: aquacobalamin reductase. 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.
[EC 1.16.1.3 created 1972 as EC 1.6.99.8, transferred 2002 to EC 1.16.1.3, modified 2020, deleted 2020]
 
 
EC 1.16.1.4      
Deleted entry: cob(II)alamin reductase. This entry has been deleted since no specific enzyme catalysing this activity has been identified and it has been shown that cob(II)alamin is efficiently reduced by free dihydroflavins and by non-specific reduced flavoproteins
[EC 1.16.1.4 created 1972 as EC 1.6.99.9, transferred 2002 to EC 1.16.1.4, deleted 2021]
 
 
EC 1.16.1.5      
Deleted entry: aquacobalamin reductase (NADPH). This entry has been deleted since the enzyme the entry was based on was later shown to be EC 1.2.1.51, pyruvate dehydrogenase (NADP+). On the other hand, it has been shown that non-enzymatic reduction of cob(III)alamin to cob(II)alamin occurs efficiently in the presence of free dihydroflavins or non-specific reduced flavoproteins.
[EC 1.16.1.5 created 1989 as EC 1.6.99.11, transferred 2002 to EC 1.16.1.5, modified 2020, deleted 2020]
 
 
EC 1.16.8.1      
Deleted entry: cob(II)yrinic acid a,c-diamide reductase. This activity is now known to be catalyzed by EC 2.5.1.17, corrinoid adenosyltransferase
[EC 1.16.8.1 created 2004, deleted 2019]
 
 
EC 1.17.98.1      
Deleted entry: bile-acid 7α-dehydroxylase. Now known to be catalyzed by multiple enzymes.
[EC 1.17.98.1 created 2005 as EC 1.17.1.6, transferred 2006 to EC 1.17.99.5, transferred 2014 to EC 1.17.98.1, deleted 2016]
 
 
EC 1.99.1.3      
Deleted entry: nicotinate 6-hydroxylase
[EC 1.99.1.3 created 1961, deleted 1965]
 
 
EC 1.99.1.4      
Deleted entry: tryptophan 5-hydroxylase
[EC 1.99.1.4 created 1961, deleted 1965]
 
 
EC 1.99.1.6      
Deleted entry: steroid 11α-hydroxylase
[EC 1.99.1.6 created 1961, deleted 1965]
 
 
EC 1.99.1.8      
Deleted entry: steroid 6β-hydroxylase
[EC 1.99.1.8 created 1961, deleted 1965]
 
 
EC 1.99.1.10      
Deleted entry: steroid 19-hydroxylase
[EC 1.99.1.10 created 1961, deleted 1965]
 
 
EC 1.99.1.12      
Deleted entry: alkoxyaryl hydroxylase
[EC 1.99.1.12 created 1961, deleted 1965]
 
 
EC 1.99.1.13      
Deleted entry: squalene cyclohydroxylase, covered by EC 1.14.99.7 (squalene monooxygenase) and by EC 5.4.99.7 (lanosterol synthase)
[EC 1.99.1.13 created 1961, deleted 1965]
 
 
EC 2.1.1.23      
Deleted entry:  protein-arginine N-methyltransferase. Now listed as EC 2.1.1.124 [cytochrome c]-arginine N-methyltransferase, EC 2.1.1.125 histone-arginine N-methyltransferase and EC 2.1.1.126 [myelin basic protein]-arginine N-methyltransferase
[EC 2.1.1.23 created 1972, modified 1976, modified 1983, deleted 1999]
 
 
EC 2.1.1.24      
Deleted entry:  protein-γ-glutamate O-methyltransferase. Now listed as EC 2.1.1.77 protein-L-isoaspartate(D-aspartate) O-methyltransferase, EC 2.1.1.80 protein-glutamate O-methyltransferase and EC 2.1.1.100 protein-S-isoprenylcysteine O-methyltransferase
[EC 2.1.1.24 created 1972, modified 1983, modified 1989, deleted 1992]
 
 
EC 2.1.1.30      
Deleted entry: tRNA (purine-2- or -6-)-methyltransferase. Reactions previously described are due to EC 2.1.1.32 tRNA (guanine-N2-)-methyltransferase
[EC 2.1.1.30 created 1972, deleted 1981]
 
 


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