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The enzymes in this section of the database are organized as you would find them in the
Enzyme-Nomenclature book. Click [+] to expand, and [–] to collapse, any section. Clicking on a heading will open a popup window with information on that class, subclass or sub-subclass. For a fully expanded list of the classes, subclasses and sub-subclasses, click here |
EC 1 | [–] | ||
EC 1.1 | [+] | ||
EC 1.1.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.1.2 | [+] With a cytochrome as acceptor | ||
EC 1.1.3 | [+] With oxygen as acceptor | ||
EC 1.1.4 | [+] With a disulfide as acceptor | ||
EC 1.1.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.1.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.1.9 | [+] With a copper protein as acceptor | ||
EC 1.1.98 | [+] With other, known, physiological acceptors | ||
EC 1.1.99 | [+] With unknown physiological acceptors | ||
EC 1.2 | [+] | ||
EC 1.2.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.2.2 | [+] With a cytochrome as acceptor | ||
EC 1.2.3 | [+] With oxygen as acceptor | ||
EC 1.2.4 | [+] With a disulfide as acceptor | ||
EC 1.2.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.2.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.2.98 | [+] With other, known, physiological acceptors | ||
EC 1.2.99 | [+] With unknown physiological acceptors | ||
EC 1.3 | [+] | ||
EC 1.3.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.3.2 | [+] With a cytochrome as acceptor | ||
EC 1.3.3 | [+] With oxygen as acceptor | ||
EC 1.3.4 | [+] With a disulfide as acceptor | ||
EC 1.3.5 | [+] With a quinone or related compound as acceptor | ||
EC 1.3.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.3.8 | [+] With a flavin as acceptor | ||
EC 1.3.98 | [+] With other, known, physiological acceptors | ||
EC 1.3.99 | [+] With unknown physiological acceptors | ||
EC 1.4 | [+] | ||
EC 1.4.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.4.2 | [+] With a cytochrome as acceptor | ||
EC 1.4.3 | [+] With oxygen as acceptor | ||
EC 1.4.4 | [+] With a disulfide as acceptor | ||
EC 1.4.5 | [+] With a quinone or other compound as acceptor | ||
EC 1.4.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.4.9 | [+] With a copper protein as acceptor | ||
EC 1.4.99 | [+] With unknown physiological acceptors | ||
EC 1.5 | [+] | ||
EC 1.5.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.5.3 | [+] With oxygen as acceptor | ||
EC 1.5.4 | [+] With a disulfide as acceptor | ||
EC 1.5.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.5.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.5.8 | [+] With a flavin or flavoprotein as acceptor | ||
EC 1.5.98 | [+] With other, known, physiological acceptors | ||
EC 1.5.99 | [+] With unknown physiological acceptors | ||
EC 1.6 | [+] | ||
EC 1.6.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.6.2 | [+] With a heme protein as acceptor | ||
EC 1.6.3 | [+] With oxygen as acceptor | ||
EC 1.6.4 | [+] With a disulfide as acceptor (deleted sub-subclass) | ||
EC 1.6.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.6.6 | [+] With a nitrogenous group as acceptor | ||
EC 1.6.7 | [+] With an iron-sulfur protein as acceptor (deleted sub-subclass) | ||
EC 1.6.8 | [+] With a flavin as acceptor (deleted sub-subclass) | ||
EC 1.6.99 | [+] With unknown physiological acceptors | ||
EC 1.7 | [+] | ||
EC 1.7.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.7.2 | [+] With a cytochrome as acceptor | ||
EC 1.7.3 | [+] With oxygen as acceptor | ||
EC 1.7.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.7.6 | [+] With a nitrogenous group as acceptor | ||
EC 1.7.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.7.9 | [+] With a copper protein as acceptor | ||
EC 1.7.99 | [+] With unknown physiological acceptors | ||
EC 1.8 | [+] | ||
EC 1.8.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.8.2 | [+] With a cytochrome as acceptor | ||
EC 1.8.3 | [+] With oxygen as acceptor | ||
EC 1.8.4 | [+] With a disulfide as acceptor | ||
EC 1.8.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.8.6 | [+] With a nitrogenous group as acceptor (deleted sub-subclass) | ||
EC 1.8.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.8.98 | [+] With other, known, physiological acceptors | ||
EC 1.8.99 | [+] With unknown physiological acceptors | ||
EC 1.9 | [+] | ||
EC 1.9.3 | [+] With oxygen as acceptor | ||
EC 1.9.6 | [+] With a nitrogenous group as acceptor | ||
EC 1.9.98 | [+] With other, known, physiological acceptors | ||
EC 1.9.99 | [+] With unknown physiological acceptors | ||
EC 1.10 | [+] | ||
EC 1.10.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.10.2 | [+] With a cytochrome as acceptor | ||
EC 1.10.3 | [+] With oxygen as acceptor | ||
EC 1.10.5 | [+] With a quinone or related compound as acceptor | ||
EC 1.10.9 | [+] With a copper protein as acceptor | ||
EC 1.10.99 | [+] With unknown physiological acceptors | ||
EC 1.11 | [+] | ||
EC 1.11.1 | [+] | ||
EC 1.11.2 | [+] | ||
EC 1.12 | [+] | ||
EC 1.12.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.12.2 | [+] With a cytochrome as acceptor | ||
EC 1.12.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.12.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.12.98 | [+] With other, known, physiological acceptors | ||
EC 1.12.99 | [+] With unknown physiological acceptors | ||
EC 1.13 | [+] | ||
EC 1.13.11 | [+] With incorporation of two atoms of oxygen | ||
EC 1.13.12 | [+] With incorporation of one atom of oxygen (internal monooxygenases or internal mixed-function oxidases) | ||
EC 1.13.99 | [+] Miscellaneous | ||
EC 1.14 | [+] | ||
EC 1.14.1 | [+] With NADH or NADPH as one donor (deleted sub-subclass) | ||
EC 1.14.2 | [+] With ascorbate as one donor (deleted sub-subclass) | ||
EC 1.14.3 | [+] With reduced pteridine as one donor (deleted sub-subclass) | ||
EC 1.14.11 | [+] With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor | ||
EC 1.14.12 | [+] With NADH or NADPH as one donor, and incorporation of two atoms of oxygen into the other donor | ||
EC 1.14.13 | [+] With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.14 | [+] With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.15 | [+] With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.16 | [+] With reduced pteridine as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.17 | [+] With reduced ascorbate as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.18 | [+] With another compound as one donor, and incorporation of one atom of oxygen into the other donor | ||
EC 1.14.19 | [+] With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water | ||
EC 1.14.20 | [+] With 2-oxoglutarate as one donor, and the other dehydrogenated | ||
EC 1.14.21 | [+] With NADH or NADPH as one donor, and the other dehydrogenated | ||
EC 1.14.99 | [+] Miscellaneous | ||
EC 1.15 | [+] | ||
EC 1.15.1 | [+] Acting on superoxide as acceptor (only sub-subclass identified to date) | ||
EC 1.16 | [+] | ||
EC 1.16.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.16.3 | [+] With oxygen as acceptor | ||
EC 1.16.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.16.8 | [+] With a flavin as acceptor | ||
EC 1.16.9 | [+] With a copper protein as acceptor | ||
EC 1.16.98 | [+] With other, known, physiological acceptors | ||
EC 1.16.99 | [+] With unknown physiological acceptors | ||
EC 1.17 | [+] | ||
EC 1.17.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.17.2 | [+] With a cytochrome as acceptor | ||
EC 1.17.3 | [+] With oxygen as acceptor | ||
EC 1.17.4 | [+] With a disulfide as acceptor | ||
EC 1.17.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.17.7 | [+] With an iron-sulfur protein as acceptor | ||
EC 1.17.8 | [+] With a flavin as acceptor | ||
EC 1.17.9 | [+] With a copper protein as acceptor | ||
EC 1.17.98 | [+] With other, known, physiological acceptors | ||
EC 1.17.99 | [+] With unknown physiological acceptors | ||
EC 1.18 | [+] | ||
EC 1.18.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.18.2 | [+] With dinitrogen as acceptor (deleted sub-subclass) | ||
EC 1.18.3 | [+] With H+ as acceptor (deleted sub-subclass) | ||
EC 1.18.6 | [+] With dinitrogen as acceptor | ||
EC 1.18.96 | [+] With other, known, acceptors (deleted sub-subclass) | ||
EC 1.18.99 | [+] With H+ as acceptor (deleted sub-subclass) | ||
EC 1.19 | [+] | ||
EC 1.19.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.19.6 | [+] With dinitrogen as acceptor | ||
EC 1.20 | [+] | ||
EC 1.20.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.20.2 | [+] With a cytochrome as acceptor | ||
EC 1.20.4 | [+] With disulfide as acceptor | ||
EC 1.20.9 | [+] With a copper protein as acceptor | ||
EC 1.20.98 | [+] With other, known, physiological acceptors | ||
EC 1.20.99 | [+] With unknown physiological acceptors | ||
EC 1.21 | [+] | ||
EC 1.21.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.21.3 | [+] With oxygen as acceptor | ||
EC 1.21.4 | [+] With a disulfide as acceptor | ||
EC 1.21.98 | [+] With other, known, physiological acceptors | ||
EC 1.21.99 | [+] With unknown physiological acceptors | ||
EC 1.22 | [+] | ||
EC 1.22.1 | [+] With NAD+ or NADP+ as acceptor | ||
EC 1.23 | [+] | ||
EC 1.23.1 | [+] With NADH or NADPH as donor | ||
EC 1.23.5 | [+] With a quinone or similar compound as acceptor | ||
EC 1.97 | [+] | ||
EC 1.97.1 | [+] Sole sub-subclass for oxidoreductases that do not belong in the other subclasses | ||
EC 1.98 | [+] | ||
EC 1.99 | [+] | ||
EC 1.99.1 | [+] Hydroxylases (now covered by EC 1.14) | ||
EC 1.99.2 | [+] Oxygenases (now covered by EC 1.13) | ||
EC 2 | [+] | ||
EC 3 | [+] | ||
EC 4 | [+] | ||
EC 5 | [+] | ||
EC 6 | [+] | ||
EC 7 | [+] |