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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
1.11.1 Peroxidases
1.11.2 Peroxygenases
1.12 Acting on hydrogen as donor
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
1.16.1 With NAD
+
or NADP
+
as acceptor
1.16.3 With oxygen as acceptor
1.16.5 With a quinone or similar compound as acceptor
1.16.8 With a flavin as acceptor
1.16.9 With a copper protein as acceptor
1.16.98 With other, known, physiological acceptors
1.16.99 With unknown physiological acceptors
1.17 Acting on CH or CH
2
groups
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
1.20.1 With NAD
+
or NADP
+
as acceptor
1.20.2 With a cytochrome as acceptor
1.20.4 With disulfide as acceptor
1.20.9 With a copper protein as acceptor
1.20.98 With other, known, physiological acceptors
1.20.99 With unknown physiological acceptors
1.20.99.1 arsenate reductase (donor)
1.21 Catalysing the reaction X-H + Y-H = X-Y
1.22 Acting on halogen in donors
1.22.1 With NAD
+
or NADP
+
as acceptor
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