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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 2 | [+] | ||
| EC 3 | [+] | ||
| EC 4 | [–] | ||
| EC 4.1 | [+] | ||
| EC 4.2 | [–] | ||
| EC 4.2.1 | [+] Hydro-lyases | ||
| EC 4.2.2 | [+] Acting on polysaccharides | ||
| EC 4.2.3 | [+] Acting on phosphates | ||
| EC 4.2.99 | [–] Other carbon-oxygen lyases | ||
| EC 4.2.99.1 | hyaluronate lyase. Now EC 4.2.2.1, hyaluronate lyase | ||
| EC 4.2.99.2 | threonine synthase. Now EC 4.2.3.1, threonine synthase | ||
| EC 4.2.99.3 | pectate lyase. Now EC 4.2.2.2, pectate lyase | ||
| EC 4.2.99.4 | alginate lyase. Now EC 4.2.2.3, poly(β-D-mannuronate) lyase | ||
| EC 4.2.99.5 | polyglucuronide lyase | ||
| EC 4.2.99.6 | chondroitin sulfate lyase. Now included with EC 4.2.2.4 (chondroitin ABC lyase) and EC 4.2.2.5 (chondroitin AC lyase) | ||
| EC 4.2.99.7 | ethanolamine-phosphate phospho-lyase. Now EC 4.2.3.2, ethanolamine-phosphate phospho-lyase | ||
| EC 4.2.99.8 | cysteine synthase. Now EC 2.5.1.47, cysteine synthase | ||
| EC 4.2.99.9 | O-succinylhomoserine (thiol)-lyase. Now EC 2.5.1.48, cystathionine γ-synthase | ||
| EC 4.2.99.10 | O-acetylhomoserine (thiol)-lyase. Now EC 2.5.1.49, O-acetylhomoserine aminocarboxypropyltransferase | ||
| EC 4.2.99.11 | methylglyoxal synthase. Now EC 4.2.3.3, methylglyoxal synthase | ||
| EC 4.2.99.12 | carboxymethyloxysuccinate lyase | ||
| EC 4.2.99.13 | β-(9-cytokinin)-alanine synthase. Now EC 2.5.1.50, zeatin 9-aminocarboxyethyltransferase | ||
| EC 4.2.99.14 | β-pyrazolylalanine synthase (acetylserine). Now EC 2.5.1.51, β-pyrazolylalanine synthase | ||
| EC 4.2.99.15 | L-mimosine synthase. Now EC 2.5.1.52, L-mimosine synthase | ||
| EC 4.2.99.16 | uracilylalanine synthase. Now EC 2.5.1.53, uracilylalanine synthase | ||
| EC 4.2.99.17 | thermopsin. Listed as EC 2.5.1.51, β-pyrazolylalanine synthase | ||
| EC 4.2.99.18 | DNA-(apurinic or apyrimidinic site) lyase | ||
| EC 4.2.99.19 | 2-hydroxypropyl-CoM lyase. Now EC 4.4.1.23, 2-hydroxypropyl-CoM lyase. The enzyme was incorrectly classified as acting on a C-O bond rather than a C-S bond | ||
| EC 4.2.99.20 | 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase | ||
| EC 4.2.99.21 | isochorismate lyase | ||
| EC 4.2.99.22 | tuliposide A-converting enzyme | ||
| EC 4.2.99.23 | tuliposide B-converting enzyme | ||
| EC 4.2.99.24 | thebaine synthase | ||
| EC 4.2.99.25 | unsaturated pyranuronate lyase | ||
| EC 4.3 | [+] | ||
| EC 4.4 | [+] | ||
| EC 4.5 | [+] | ||
| EC 4.6 | [+] | ||
| EC 4.7 | [+] | ||
| EC 4.8 | [+] | ||
| EC 4.98 | [+] | ||
| EC 4.99 | [+] | ||
| EC 5 | [+] | ||
| EC 6 | [+] | ||
| EC 7 | [+] |