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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 2.5 | [–] | ||
| EC 2.5.1 | [–] Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date) | ||
| EC 2.5.1.1 | dimethylallyltranstransferase | ||
| EC 2.5.1.2 | thiamine pyridinylase | ||
| EC 2.5.1.3 | thiamine phosphate synthase | ||
| EC 2.5.1.4 | adenosylmethionine cyclotransferase. Now classified as EC 4.4.1.42, S-adenosyl-L-methionine lyase | ||
| EC 2.5.1.5 | galactose-6-sulfurylase | ||
| EC 2.5.1.6 | methionine adenosyltransferase | ||
| EC 2.5.1.7 | UDP-N-acetylglucosamine 1-carboxyvinyltransferase | ||
| EC 2.5.1.8 | tRNA isopentenyltransferase. As it is now known that the substrate is dimethylallyl diphosphate, the enzyme has been transferred to EC 2.5.1.75, tRNA dimethylallyltransferase | ||
| EC 2.5.1.9 | riboflavin synthase | ||
| EC 2.5.1.10 | (2E,6E)-farnesyl diphosphate synthase | ||
| EC 2.5.1.11 | trans-octaprenyltranstransferase. Now covered by EC 2.5.1.84 (all-trans-nonaprenyl-diphosphate synthase [geranyl-diphosphate specific]) and EC 2.5.1.85 (all-trans-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]) | ||
| EC 2.5.1.12 | glutathione S-alkyltransferase. Now included with EC 2.5.1.18 glutathione transferase | ||
| EC 2.5.1.13 | glutathione S-aryltransferase. Now included with EC 2.5.1.18 glutathione transferase | ||
| EC 2.5.1.14 | glutathione S-aralkyltransferase. Now included with EC 2.5.1.18 glutathione transferase | ||
| EC 2.5.1.15 | dihydropteroate synthase | ||
| EC 2.5.1.16 | spermidine synthase | ||
| EC 2.5.1.17 | corrinoid adenosyltransferase | ||
| EC 2.5.1.18 | glutathione transferase | ||
| EC 2.5.1.19 | 3-phosphoshikimate 1-carboxyvinyltransferase | ||
| EC 2.5.1.20 | rubber cis-polyprenylcistransferase | ||
| EC 2.5.1.21 | squalene synthase | ||
| EC 2.5.1.22 | spermine synthase | ||
| EC 2.5.1.23 | sym-norspermidine synthase | ||
| EC 2.5.1.24 | discadenine synthase | ||
| EC 2.5.1.25 | tRNA-uridine aminocarboxypropyltransferase | ||
| EC 2.5.1.26 | alkylglycerone-phosphate synthase | ||
| EC 2.5.1.27 | adenylate dimethylallyltransferase (AMP-dependent) | ||
| EC 2.5.1.28 | dimethylallylcistransferase | ||
| EC 2.5.1.29 | geranylgeranyl diphosphate synthase | ||
| EC 2.5.1.30 | heptaprenyl diphosphate synthase | ||
| EC 2.5.1.31 | ditrans,polycis-undecaprenyl-diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific] | ||
| EC 2.5.1.32 | 15-cis-phytoene synthase | ||
| EC 2.5.1.33 | trans-pentaprenyltranstransferase. Now covered by EC 2.5.1.82 (hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]) and EC 2.5.1.83 (hexaprenyl-diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific]) | ||
| EC 2.5.1.34 | 4-dimethylallyltryptophan synthase | ||
| EC 2.5.1.35 | aspulvinone dimethylallyltransferase | ||
| EC 2.5.1.36 | trihydroxypterocarpan dimethylallyltransferase | ||
| EC 2.5.1.37 | leukotriene-C4 synthase. Now EC 4.4.1.20, leukotriene-C4 synthase. The enzyme was incorrectly classified as a transferase | ||
| EC 2.5.1.38 | isonocardicin synthase | ||
| EC 2.5.1.39 | 4-hydroxybenzoate polyprenyltransferase | ||
| EC 2.5.1.40 | aristolochene synthase. Now EC 4.2.3.9, aristolochene synthase | ||
| EC 2.5.1.41 | phosphoglycerol geranylgeranyltransferase | ||
| EC 2.5.1.42 | geranylgeranylglycerol-phosphate geranylgeranyltransferase | ||
| EC 2.5.1.43 | nicotianamine synthase | ||
| EC 2.5.1.44 | homospermidine synthase | ||
| EC 2.5.1.45 | homospermidine synthase (spermidine-specific) | ||
| EC 2.5.1.46 | deoxyhypusine synthase | ||
| EC 2.5.1.47 | cysteine synthase | ||
| EC 2.5.1.48 | cystathionine γ-synthase | ||
| EC 2.5.1.49 | O-acetylhomoserine aminocarboxypropyltransferase | ||
| EC 2.5.1.50 | zeatin 9-aminocarboxyethyltransferase | ||
| EC 2.5.1.51 | β-pyrazolylalanine synthase | ||
| EC 2.5.1.52 | L-mimosine synthase | ||
| EC 2.5.1.53 | uracilylalanine synthase | ||
| EC 2.5.1.54 | 3-deoxy-7-phosphoheptulonate synthase | ||
| EC 2.5.1.55 | 3-deoxy-8-phosphooctulonate synthase | ||
| EC 2.5.1.56 | N-acetylneuraminate synthase | ||
| EC 2.5.1.57 | N-acylneuraminate-9-phosphate synthase | ||
| EC 2.5.1.58 | protein farnesyltransferase | ||
| EC 2.5.1.59 | protein geranylgeranyltransferase type I | ||
| EC 2.5.1.60 | protein geranylgeranyltransferase type II | ||
| EC 2.5.1.61 | hydroxymethylbilane synthase | ||
| EC 2.5.1.62 | chlorophyll synthase | ||
| EC 2.5.1.63 | adenosyl-fluoride synthase | ||
| EC 2.5.1.64 | 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase. The reaction that was attributed to this enzyme is now known to be catalysed by two separate enzymes: EC 2.2.1.9 (2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase) and EC 4.2.99.20 (2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase) | ||
| EC 2.5.1.65 | O-phosphoserine sulfhydrylase | ||
| EC 2.5.1.66 | N2-(2-carboxyethyl)arginine synthase | ||
| EC 2.5.1.67 | chrysanthemyl diphosphate synthase | ||
| EC 2.5.1.68 | (2Z,6E)-farnesyl diphosphate synthase | ||
| EC 2.5.1.69 | lavandulyl diphosphate synthase | ||
| EC 2.5.1.70 | naringenin 8-dimethylallyltransferase | ||
| EC 2.5.1.71 | leachianone-G 2′′-dimethylallyltransferase | ||
| EC 2.5.1.72 | quinolinate synthase | ||
| EC 2.5.1.73 | O-phospho-L-seryl-tRNA:Cys-tRNA synthase | ||
| EC 2.5.1.74 | 1,4-dihydroxy-2-naphthoate polyprenyltransferase | ||
| EC 2.5.1.75 | tRNA dimethylallyltransferase | ||
| EC 2.5.1.76 | cysteate synthase | ||
| EC 2.5.1.77 | 7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase. Now EC 2.5.1.147, 5-amino-6-(D-ribitylamino)uracil—L-tyrosine 4-methylphenol transferase and EC 4.3.1.32, 7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase. | ||
| EC 2.5.1.78 | 6,7-dimethyl-8-ribityllumazine synthase | ||
| EC 2.5.1.79 | thermospermine synthase | ||
| EC 2.5.1.80 | 7-dimethylallyltryptophan synthase | ||
| EC 2.5.1.81 | geranylfarnesyl diphosphate synthase | ||
| EC 2.5.1.82 | hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] | ||
| EC 2.5.1.83 | hexaprenyl diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific] | ||
| EC 2.5.1.84 | all-trans-nonaprenyl diphosphate synthase [geranyl-diphosphate specific] | ||
| EC 2.5.1.85 | all-trans-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] | ||
| EC 2.5.1.86 | trans,polycis-decaprenyl diphosphate synthase | ||
| EC 2.5.1.87 | ditrans,polycis-polyprenyl diphosphate synthase [(2E,6E)-farnesyl diphosphate specific] | ||
| EC 2.5.1.88 | trans,polycis-polyprenyl diphosphate synthase [(2Z,6E)-farnesyl diphosphate specific] | ||
| EC 2.5.1.89 | tritrans,polycis-undecaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] | ||
| EC 2.5.1.90 | all-trans-octaprenyl-diphosphate synthase | ||
| EC 2.5.1.91 | all-trans-decaprenyl-diphosphate synthase | ||
| EC 2.5.1.92 | (2Z,6Z)-farnesyl diphosphate synthase | ||
| EC 2.5.1.93 | 4-hydroxybenzoate geranyltransferase | ||
| EC 2.5.1.94 | adenosyl-chloride synthase | ||
| EC 2.5.1.95 | xanthan ketal pyruvate transferase | ||
| EC 2.5.1.96 | 4,4′-diapophytoene synthase | ||
| EC 2.5.1.97 | pseudaminic acid synthase | ||
| EC 2.5.1.98 | Rhizobium leguminosarum exopolysaccharide glucosyl ketal-pyruvate-transferase | ||
| EC 2.5.1.99 | all-trans-phytoene synthase. The activity was an artifact caused by photoisomerization of the product of EC 2.5.1.32, 15-cis-phytoene synthase. | ||
| EC 2.5.1.100 | fumigaclavine A dimethylallyltransferase | ||
| EC 2.5.1.101 | N,N′-diacetyllegionaminate synthase | ||
| EC 2.5.1.102 | geranyl-pyrophosphate—olivetolic acid geranyltransferase | ||
| EC 2.5.1.103 | presqualene diphosphate synthase | ||
| EC 2.5.1.104 | N1-aminopropylagmatine synthase | ||
| EC 2.5.1.105 | 7,8-dihydropterin-6-yl-methyl-4-(β-D-ribofuranosyl)aminobenzene 5′-phosphate synthase | ||
| EC 2.5.1.106 | tryprostatin B synthase | ||
| EC 2.5.1.107 | verruculogen prenyltransferase | ||
| EC 2.5.1.108 | 2-(3-amino-3-carboxypropyl)histidine synthase | ||
| EC 2.5.1.109 | brevianamide F prenyltransferase (deoxybrevianamide E-forming) | ||
| EC 2.5.1.110 | 12α,13α-dihydroxyfumitremorgin C prenyltransferase | ||
| EC 2.5.1.111 | 4-hydroxyphenylpyruvate 3-dimethylallyltransferase | ||
| EC 2.5.1.112 | adenylate dimethylallyltransferase (ADP/ATP-dependent) | ||
| EC 2.5.1.113 | [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase | ||
| EC 2.5.1.114 | tRNAPhe (4-demethylwyosine37-C7) aminocarboxypropyltransferase | ||
| EC 2.5.1.115 | homogentisate phytyltransferase | ||
| EC 2.5.1.116 | homogentisate geranylgeranyltransferase | ||
| EC 2.5.1.117 | homogentisate solanesyltransferase | ||
| EC 2.5.1.118 | β-(isoxazolin-5-on-2-yl)-L-alanine synthase | ||
| EC 2.5.1.119 | β-(isoxazolin-5-on-4-yl)-L-alanine synthase | ||
| EC 2.5.1.120 | aminodeoxyfutalosine synthase | ||
| EC 2.5.1.121 | 5,10-dihydrophenazine-1-carboxylate 9-dimethylallyltransferase | ||
| EC 2.5.1.122 | 4-O-dimethylallyl-L-tyrosine synthase | ||
| EC 2.5.1.123 | flaviolin linalyltransferase | ||
| EC 2.5.1.124 | 6-linalyl-2-O,3-dimethylflaviolin synthase | ||
| EC 2.5.1.125 | 7-geranyloxy-5-hydroxy-2-methoxy-3-methylnaphthalene-1,4-dione synthase | ||
| EC 2.5.1.126 | norspermine synthase | ||
| EC 2.5.1.127 | caldopentamine synthase | ||
| EC 2.5.1.128 | N4-bis(aminopropyl)spermidine synthase | ||
| EC 2.5.1.129 | flavin prenyltransferase | ||
| EC 2.5.1.130 | 2-carboxy-1,4-naphthoquinone phytyltransferase | ||
| EC 2.5.1.131 | (4-{4-[2-(γ-L-glutamylamino)ethyl]phenoxymethyl}furan-2-yl)methanamine synthase | ||
| EC 2.5.1.132 | 3-deoxy-D-glycero-D-galacto-nonulopyranosonate 9-phosphate synthase | ||
| EC 2.5.1.133 | bacteriochlorophyll a synthase | ||
| EC 2.5.1.134 | cystathionine β-synthase (O-acetyl-L-serine) | ||
| EC 2.5.1.135 | validamine 7-phosphate valienyltransferase | ||
| EC 2.5.1.136 | 2-acylphloroglucinol 4-prenyltransferase | ||
| EC 2.5.1.137 | 2-acyl-4-prenylphloroglucinol 6-prenyltransferase | ||
| EC 2.5.1.138 | coumarin 8-geranyltransferase | ||
| EC 2.5.1.139 | umbelliferone 6-dimethylallyltransferase | ||
| EC 2.5.1.140 | N-(2-amino-2-carboxyethyl)-L-glutamate synthase | ||
| EC 2.5.1.141 | heme o synthase | ||
| EC 2.5.1.142 | nerylneryl diphosphate synthase | ||
| EC 2.5.1.143 | pyridinium-3,5-biscarboxylic acid mononucleotide synthase | ||
| EC 2.5.1.144 | S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent) | ||
| EC 2.5.1.145 | phosphatidylglycerol—prolipoprotein diacylglyceryl transferase | ||
| EC 2.5.1.146 | 3-geranyl-3-[(Z)-2-isocyanoethenyl]indole synthase | ||
| EC 2.5.1.147 | 5-amino-6-(D-ribitylamino)uracil—L-tyrosine 4-hydroxyphenyl transferase | ||
| EC 2.5.1.148 | lycopaoctaene synthase | ||
| EC 2.5.1.149 | lycopene elongase/hydratase (flavuxanthin-forming) | ||
| EC 2.5.1.150 | lycopene elongase/hydratase (dihydrobisanhydrobacterioruberin-forming) | ||
| EC 2.5.1.151 | alkylcobalamin dealkylase | ||
| EC 2.5.1.152 | D-histidine 2-aminobutanoyltransferase | ||
| EC 2.5.1.153 | adenosine tuberculosinyltransferase | ||
| EC 2.5.1.154 | corrinoid adenosyltransferase EutT | ||
| EC 2.5.1.155 | phosphoglycerol geranylfarnesyltransferase | ||
| EC 2.5.1.156 | geranylfarnesylglycerol-phosphate geranylfarnesyltransferase | ||
| EC 2.5.1.157 | rRNA small subunit aminocarboxypropyltransferase | ||
| EC 2.5.1.158 | hexaprenyl diphosphate synthase (prenyl-diphosphate specific) | ||
| EC 2.5.1.159 | hapalindole G dimethylallyltransferase | ||
| EC 2.5.1.160 | plant cystathionine γ-synthase | ||
| EC 2.5.1.161 | S-adenosyl-L-methionine:NAD+ aminocarboxypropyltransferase | ||
| 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 | [+] |