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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 2.1 | [+] | ||
| EC 2.2 | [+] | ||
| EC 2.3 | [+] | ||
| EC 2.4 | [–] | ||
| EC 2.4.1 | [+] Hexosyltransferases | ||
| EC 2.4.2 | [–] Pentosyltransferases | ||
| EC 2.4.2.1 | purine-nucleoside phosphorylase | ||
| EC 2.4.2.2 | pyrimidine-nucleoside phosphorylase | ||
| EC 2.4.2.3 | uridine phosphorylase | ||
| EC 2.4.2.4 | thymidine phosphorylase | ||
| EC 2.4.2.5 | nucleoside ribosyltransferase | ||
| EC 2.4.2.6 | nucleoside deoxyribosyltransferase | ||
| EC 2.4.2.7 | adenine phosphoribosyltransferase | ||
| EC 2.4.2.8 | hypoxanthine phosphoribosyltransferase | ||
| EC 2.4.2.9 | uracil phosphoribosyltransferase | ||
| EC 2.4.2.10 | orotate phosphoribosyltransferase | ||
| EC 2.4.2.11 | nicotinate phosphoribosyltransferase. Now EC 6.3.4.21, nicotinate phosphoribosyltransferase. | ||
| EC 2.4.2.12 | nicotinamide phosphoribosyltransferase | ||
| EC 2.4.2.13 | now EC 2.5.1.6 methionine adenosyltransferase | ||
| EC 2.4.2.14 | amidophosphoribosyltransferase | ||
| EC 2.4.2.15 | guanosine phosphorylase | ||
| EC 2.4.2.16 | urate-ribonucleoside phosphorylase | ||
| EC 2.4.2.17 | ATP phosphoribosyltransferase | ||
| EC 2.4.2.18 | anthranilate phosphoribosyltransferase | ||
| EC 2.4.2.19 | nicotinate-nucleotide diphosphorylase (carboxylating) | ||
| EC 2.4.2.20 | dioxotetrahydropyrimidine phosphoribosyltransferase | ||
| EC 2.4.2.21 | nicotinate-nucleotide—dimethylbenzimidazole phosphoribosyltransferase | ||
| EC 2.4.2.22 | xanthine phosphoribosyltransferase | ||
| EC 2.4.2.23 | deoxyuridine phosphorylase. This activity has been shown to be catalysed by EC 2.4.2.2, pyrimidine-nucleoside phosphorylase, EC 2.4.2.3, uridine phosphorylase, and EC 2.4.2.4, thymidine phosphorylase. | ||
| EC 2.4.2.24 | 1,4-β-D-xylan synthase | ||
| EC 2.4.2.25 | flavone apiosyltransferase | ||
| EC 2.4.2.26 | protein xylosyltransferase | ||
| EC 2.4.2.27 | dTDP-dihydrostreptose—streptidine-6-phosphate dihydrostreptosyltransferase | ||
| EC 2.4.2.28 | S-methyl-5′-thioadenosine phosphorylase | ||
| EC 2.4.2.29 | tRNA-guanosine34 preQ1 transglycosylase | ||
| EC 2.4.2.30 | NAD+ ADP-ribosyltransferase | ||
| EC 2.4.2.31 | NAD+—protein-arginine ADP-ribosyltransferase | ||
| EC 2.4.2.32 | dolichyl-phosphate D-xylosyltransferase | ||
| EC 2.4.2.33 | dolichyl-xylosyl-phosphate—protein xylosyltransferase | ||
| EC 2.4.2.34 | indolylacetylinositol arabinosyltransferase | ||
| EC 2.4.2.35 | flavonol-3-O-glycoside xylosyltransferase | ||
| EC 2.4.2.36 | NAD+—diphthamide ADP-ribosyltransferase | ||
| EC 2.4.2.37 | NAD+—dinitrogen-reductase ADP-D-ribosyltransferase | ||
| EC 2.4.2.38 | glycoprotein 2-β-D-xylosyltransferase | ||
| EC 2.4.2.39 | xyloglucan 6-xylosyltransferase | ||
| EC 2.4.2.40 | zeatin O-β-D-xylosyltransferase | ||
| EC 2.4.2.41 | xylogalacturonan β-1,3-xylosyltransferase | ||
| EC 2.4.2.42 | UDP-D-xylose:β-D-glucoside α-1,3-D-xylosyltransferase | ||
| EC 2.4.2.43 | lipid IVA 4-amino-4-deoxy-L-arabinosyltransferase | ||
| EC 2.4.2.44 | S-methyl-5′-thioinosine phosphorylase | ||
| EC 2.4.2.45 | decaprenyl-phosphate phosphoribosyltransferase | ||
| EC 2.4.2.46 | galactan 5-O-arabinofuranosyltransferase | ||
| EC 2.4.2.47 | arabinofuranan 3-O-arabinosyltransferase | ||
| EC 2.4.2.48 | tRNA-guanine15 transglycosylase | ||
| EC 2.4.2.49 | neamine phosphoribosyltransferase | ||
| EC 2.4.2.50 | cyanidin 3-O-galactoside 2′′-O-xylosyltransferase | ||
| EC 2.4.2.51 | anthocyanidin 3-O-glucoside 2′′′-O-xylosyltransferase | ||
| EC 2.4.2.52 | triphosphoribosyl-dephospho-CoA synthase | ||
| EC 2.4.2.53 | undecaprenyl-phosphate 4-deoxy-4-formamido-L-arabinose transferase | ||
| EC 2.4.2.54 | β-ribofuranosylphenol 5′-phosphate synthase | ||
| EC 2.4.2.55 | nicotinate D-ribonucleotide:phenol phospho-D-ribosyltransferase | ||
| EC 2.4.2.56 | kaempferol 3-O-xylosyltransferase | ||
| EC 2.4.2.57 | AMP phosphorylase | ||
| EC 2.4.2.58 | hydroxyproline O-arabinosyltransferase | ||
| EC 2.4.2.59 | sulfide-dependent adenosine diphosphate thiazole synthase | ||
| EC 2.4.2.60 | cysteine-dependent adenosine diphosphate thiazole synthase | ||
| EC 2.4.2.61 | α-dystroglycan β1,4-xylosyltransferase | ||
| EC 2.4.2.62 | xylosyl α-1,3-xylosyltransferase | ||
| EC 2.4.2.63 | EGF-domain serine xylosyltransferase | ||
| EC 2.4.2.64 | tRNA-guanosine34 queuine transglycosylase | ||
| EC 2.4.3 | [+] Sialyltransferases | ||
| EC 2.4.99 | [+] Transferring other glycosyl groups | ||
| EC 2.5 | [+] | ||
| EC 2.6 | [+] | ||
| EC 2.7 | [+] | ||
| EC 2.8 | [+] | ||
| EC 2.9 | [+] | ||
| EC 2.10 | [+] | ||
| EC 3 | [+] | ||
| EC 4 | [+] | ||
| EC 5 | [+] | ||
| EC 6 | [+] | ||
| EC 7 | [+] |