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EC Tree
1 Oxidoreductases
1.1 Acting on the CH-OH group of donors
1.2 Acting on the aldehyde or oxo group of donors
1.3 Acting on the CH-CH group of donors
1.4 Acting on the CH-NH
2
group of donors
1.5 Acting on the CH-NH group of donors
1.6 Acting on NADH or NADPH
1.7 Acting on other nitrogenous compounds as donors
1.8 Acting on a sulfur group of donors
1.9 Acting on a heme group of donors
1.10 Acting on diphenols and related substances as donors
1.11 Acting on a peroxide as acceptor
1.12 Acting on hydrogen as donor
1.12.1 With NAD
+
or NADP
+
as acceptor
1.12.2 With a cytochrome as acceptor
1.12.5 With a quinone or similar compound as acceptor
1.12.7 With an iron-sulfur protein as acceptor
1.12.98 With other, known, physiological acceptors
1.12.99 With unknown physiological acceptors
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.15 Acting on superoxide as acceptor
1.16 Oxidizing metal ions
1.17 Acting on CH or CH
2
groups
1.17.1 With NAD
+
or NADP
+
as acceptor
1.17.2 With a cytochrome as acceptor
1.17.3 With oxygen as acceptor
1.17.3.1 pteridine oxidase
1.17.3.2 xanthine oxidase
1.17.3.3 6-hydroxynicotinate dehydrogenase
1.17.3.4 juglone 3-hydroxylase
1.17.4 With a disulfide as acceptor
1.17.5 With a quinone or similar compound as acceptor
1.17.7 With an iron-sulfur protein as acceptor
1.17.8 With a flavin as acceptor
1.17.9 With a copper protein as acceptor
1.17.98 With other, known, physiological acceptors
1.17.99 With unknown physiological acceptors
1.18 Acting on iron-sulfur proteins as donors
1.19 Acting on reduced flavodoxin as donor
1.20 Acting on phosphorus or arsenic in donors
1.21 Catalysing the reaction X-H + Y-H = X-Y
1.22 Acting on halogen in donors
1.23 Reducing C-O-C group as acceptor
1.97 Other oxidoreductases
1.98 Enzymes using H
2
as reductant (deleted subclass)
1.99 Other enzymes using O
2
as oxidant (deleted subclass)
2 Transferases
3 Hydrolases
4 Lyases
5 Isomerases
6 Ligases
7 Translocases
7.1 Catalysing the translocation of hydrons
7.2 Catalysing the translocation of inorganic cations
7.3 Catalysing the translocation of inorganic anions and their chelates
7.4 Catalysing the translocation of amino acids and peptides
7.5 Catalysing the translocation of carbohydrates and their derivatives
7.6 Catalysing the translocation of other compounds