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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 4.3 | [+] | ||
| EC 4.4 | [–] | ||
| EC 4.4.1 | [–] Carbon-sulfur lyases (only sub-subclass identified to date) | ||
| EC 4.4.1.1 | cystathionine γ-lyase | ||
| EC 4.4.1.2 | homocysteine desulfhydrase | ||
| EC 4.4.1.3 | dimethylpropiothetin dethiomethylase | ||
| EC 4.4.1.4 | alliin lyase | ||
| EC 4.4.1.5 | lactoylglutathione lyase | ||
| EC 4.4.1.6 | S-alkylcysteine lyase. Now included in EC 4.4.1.13, cysteine-S-conjugate β-lyase | ||
| EC 4.4.1.7 | S-(hydroxyalkyl)glutathione lyase. Now included with EC 2.5.1.18 glutathione transferase | ||
| EC 4.4.1.8 | cystathionine β-lyase. Now included in EC 4.4.1.13, cysteine-S-conjugate β-lyase | ||
| EC 4.4.1.9 | L-3-cyanoalanine synthase | ||
| EC 4.4.1.10 | cysteine lyase | ||
| EC 4.4.1.11 | methionine γ-lyase | ||
| EC 4.4.1.12 | sulfoacetaldehyde lyase. Activity due to EC 2.3.3.15, sulfoacetaldehyde acetyltransferase | ||
| EC 4.4.1.13 | cysteine-S-conjugate β-lyase | ||
| EC 4.4.1.14 | 1-aminocyclopropane-1-carboxylate synthase | ||
| EC 4.4.1.15 | D-cysteine desulfhydrase | ||
| EC 4.4.1.16 | selenocysteine lyase | ||
| EC 4.4.1.17 | holocytochrome-c synthase | ||
| EC 4.4.1.18 | prenylcysteine lyase. Now EC 1.8.3.5, prenylcysteine oxidase | ||
| EC 4.4.1.19 | phosphosulfolactate synthase | ||
| EC 4.4.1.20 | leukotriene-C4 synthase | ||
| EC 4.4.1.21 | S-ribosylhomocysteine lyase | ||
| EC 4.4.1.22 | S-(hydroxymethyl)glutathione synthase | ||
| EC 4.4.1.23 | 2-hydroxypropyl-CoM lyase | ||
| EC 4.4.1.24 | (2R)-sulfolactate sulfo-lyase | ||
| EC 4.4.1.25 | L-cysteate sulfo-lyase | ||
| EC 4.4.1.26 | olivetolic acid cyclase | ||
| EC 4.4.1.27 | carbon disulfide lyase. Now EC 3.13.1.5, carbon disulfide hydrolase | ||
| EC 4.4.1.28 | L-cysteine desulfidase | ||
| EC 4.4.1.29 | phycobiliprotein cysteine-84 phycobilin lyase | ||
| EC 4.4.1.30 | phycobiliprotein β-cysteine-155 phycobilin lyase | ||
| EC 4.4.1.31 | phycoerythrocyanin α-cysteine-84 phycoviolobilin lyase/isomerase | ||
| EC 4.4.1.32 | C-phycocyanin α-cysteine-84 phycocyanobilin lyase | ||
| EC 4.4.1.33 | R-phycocyanin α-cysteine-84 phycourobilin lyase/isomerase | ||
| EC 4.4.1.34 | isoprene-epoxide—glutathione S-transferase | ||
| EC 4.4.1.35 | L-cystine β-lyase | ||
| EC 4.4.1.36 | hercynylcysteine S-oxide lyase | ||
| EC 4.4.1.37 | pyridinium-3,5-bisthiocarboxylic acid mononucleotide synthase | ||
| EC 4.4.1.38 | isethionate sulfite-lyase | ||
| EC 4.4.1.39 | C-phycoerythrin α-cysteine-82 phycoerythrobilin lyase | ||
| EC 4.4.1.40 | C-phycoerythrin β-cysteine-48/59 phycoerythrobilin lyase | ||
| EC 4.4.1.41 | (2S)-3-sulfopropanediol sulfolyase | ||
| EC 4.4.1.42 | S-adenosyl-L-methionine lyase | ||
| EC 4.4.1.43 | canavanine-γ-lyase | ||
| EC 4.5 | [+] | ||
| EC 4.6 | [+] | ||
| EC 4.7 | [+] | ||
| EC 4.8 | [+] | ||
| EC 4.98 | [+] | ||
| EC 4.99 | [+] | ||
| EC 5 | [+] | ||
| EC 6 | [+] | ||
| EC 7 | [+] |