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1 Oxidoreductases
(9574 organisms)
1.1 Acting on the CH-OH group of donors
(6931 organisms)
1.2 Acting on the aldehyde or oxo group of donors
(1228 organisms)
1.2.1 With NAD
+
or NADP
+
as acceptor
(740 organisms)
1.2.2 With a cytochrome as acceptor
(12 organisms)
1.2.3 With oxygen as acceptor
(136 organisms)
1.2.4 With a disulfide as acceptor
(87 organisms)
1.2.5 With a quinone or similar compound as acceptor
(43 organisms)
1.2.7 With an iron-sulfur protein as acceptor
(148 organisms)
1.2.98. undefined
(12 organisms)
1.2.99 With unknown physiological acceptors
(24 organisms)
1.3 Acting on the CH-CH group of donors
(1041 organisms)
1.4 Acting on the CH-NH
2
group of donors
(1047 organisms)
1.5 Acting on the CH-NH group of donors
(744 organisms)
1.6 Acting on NADH or NADPH
(338 organisms)
1.7 Acting on other nitrogenous compounds as donors
(568 organisms)
1.8 Acting on a sulfur group of donors
(749 organisms)
1.9 Acting on a heme group of donors
(185 organisms)
1.10 Acting on diphenols and related substances as donors
(444 organisms)
1.11 Acting on a peroxide as acceptor
(797 organisms)
1.12 Acting on hydrogen as donor
(260 organisms)
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
(863 organisms)
1.13.1. undefined
1.13.11 With incorporation of two atoms of oxygen
(763 organisms)
1.13.12 With incorporation of one atom of oxygen (internal monooxygenases or internal mixed-function oxidases)
(108 organisms)
1.13.99 Miscellaneous
(20 organisms)
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
(2386 organisms)
1.15 Acting on superoxide as acceptor
(381 organisms)
1.16 Oxidizing metal ions
(234 organisms)
1.17 Acting on CH or CH
2
groups
(402 organisms)
1.18 Acting on iron-sulfur proteins as donors
(198 organisms)
1.19 Acting on reduced flavodoxin as donor
(21 organisms)
1.20 Acting on phosphorus or arsenic in donors
(106 organisms)
1.21 Catalysing the reaction X-H + Y-H = X-Y
(151 organisms)
1.21.1. undefined
(18 organisms)
1.21.3 With oxygen as acceptor
(43 organisms)
1.21.3.1 isopenicillin-N synthase
(26 organisms)
1.21.3.2 columbamine oxidase
(1 organism)
1.21.3.3 reticuline oxidase
(9 organisms)
1.21.3.4 sulochrin oxidase [(+)-bisdechlorogeodin-forming]
(2 organisms)
1.21.3.5 sulochrin oxidase [(-)-bisdechlorogeodin-forming]
(1 organism)
1.21.3.6 aureusidin synthase
(2 organisms)
1.21.3.7 tetrahydrocannabinolic acid synthase
(2 organisms)
1.21.3.8 cannabidiolic acid synthase
(1 organism)
1.21.3.9 dichlorochromopyrrolate synthase
1.21.4 With a disulfide as acceptor
(18 organisms)
1.21.98 With other, known, physiological acceptors
(26 organisms)
1.21.99 With unknown physiological acceptors
(52 organisms)
1.22 Acting on halogen in donors
1.23 Reducing C-O-C group as acceptor
(32 organisms)
1.97 Other oxidoreductases
(134 organisms)
1.98 Enzymes using H
2
as reductant (deleted subclass)
1.98.1. undefined
1.99 Other enzymes using O
2
as oxidant (deleted subclass)
2 Transferases
(6645 organisms)
3 Hydrolases
(11217 organisms)
4 Lyases
(5132 organisms)
5 Isomerases
(2096 organisms)
6 Ligases
(1554 organisms)
7 Translocases
(1092 organisms)