EC Explorer

[browse EC tree] - [search]

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-NH₂ 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

1.13 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 CH₂ 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

1.21 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 H₂ as reductant (deleted subclass)

1.99 Other enzymes using O₂ as oxidant (deleted subclass)

5.1 Racemases and epimerases

5.1.1 Acting on amino acids and derivatives

5.1.2 Acting on hydroxy acids and derivatives

5.1.3 Acting on carbohydrates and derivatives

5.1.99 Acting on other compounds

5.2 cis-trans-Isomerases

5.3 Intramolecular oxidoreductases

5.4 Intramolecular transferases

5.5 Intramolecular lyases

5.6 Isomerases altering macromolecular conformation

5.99 Other isomerases

5.99.1 Sole sub-subclass for isomerases that do not belong in the other subclasses

5.99.1.1 thiocyanate isomerase

5.99.1.2 DNA topoisomerase

5.99.1.3 DNA topoisomerase (ATP-hydrolysing)

5.99.1.4 2-hydroxychromene-2-carboxylate isomerase

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

7.5.2 Linked to the hydrolysis of a nucleoside triphosphate

7.6 Catalysing the translocation of other compounds

Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.

Release 2023.1 (January 2023)