The Enzyme Database

Table of Contents

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

[+subclass]. [+sub-subclass]. [+serial]

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                      dimethylallyltranstransferase 
                EC                      thiamine pyridinylase 
                EC                      thiamine phosphate synthase 
                EC                      adenosylmethionine cyclotransferase. Now classified as EC, S-adenosyl-L-methionine lyase 
                EC                      galactose-6-sulfurylase 
                EC                      methionine adenosyltransferase 
                EC                      UDP-N-acetylglucosamine 1-carboxyvinyltransferase 
                EC                      tRNA isopentenyltransferase. As it is now known that the substrate is dimethylallyl diphosphate, the enzyme has been transferred to EC, tRNA dimethylallyltransferase 
                EC                      riboflavin synthase 
                EC                      (2E,6E)-farnesyl diphosphate synthase 
                EC                      trans-octaprenyltranstransferase. Now covered by EC (all-trans-nonaprenyl-diphosphate synthase [geranyl-diphosphate specific]) and EC (all-trans-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]) 
                EC                       glutathione S-alkyltransferase. Now included with EC glutathione transferase 
                EC                       glutathione S-aryltransferase. Now included with EC glutathione transferase 
                EC                       glutathione S-aralkyltransferase. Now included with EC glutathione transferase 
                EC                      dihydropteroate synthase 
                EC                      spermidine synthase 
                EC                      corrinoid adenosyltransferase 
                EC                      glutathione transferase 
                EC                      3-phosphoshikimate 1-carboxyvinyltransferase 
                EC                      rubber cis-polyprenylcistransferase 
                EC                      squalene synthase 
                EC                      spermine synthase 
                EC                      sym-norspermidine synthase 
                EC                      discadenine synthase 
                EC                      tRNA-uridine aminocarboxypropyltransferase 
                EC                      alkylglycerone-phosphate synthase 
                EC                      adenylate dimethylallyltransferase (AMP-dependent) 
                EC                      dimethylallylcistransferase 
                EC                      geranylgeranyl diphosphate synthase 
                EC                      heptaprenyl diphosphate synthase 
                EC                      ditrans,polycis-undecaprenyl-diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific] 
                EC                      15-cis-phytoene synthase 
                EC                      trans-pentaprenyltranstransferase. Now covered by EC (hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific]) and EC (hexaprenyl-diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific]) 
                EC                      4-dimethylallyltryptophan synthase 
                EC                      aspulvinone dimethylallyltransferase 
                EC                      trihydroxypterocarpan dimethylallyltransferase 
                EC                      leukotriene-C4 synthase. Now EC, leukotriene-C4 synthase. The enzyme was incorrectly classified as a transferase 
                EC                      isonocardicin synthase 
                EC                      4-hydroxybenzoate polyprenyltransferase 
                EC                      aristolochene synthase. Now EC, aristolochene synthase 
                EC                      phosphoglycerol geranylgeranyltransferase 
                EC                      geranylgeranylglycerol-phosphate geranylgeranyltransferase 
                EC                      nicotianamine synthase 
                EC                      homospermidine synthase 
                EC                      homospermidine synthase (spermidine-specific) 
                EC                      deoxyhypusine synthase 
                EC                      cysteine synthase 
                EC                      cystathionine γ-synthase 
                EC                      O-acetylhomoserine aminocarboxypropyltransferase 
                EC                      zeatin 9-aminocarboxyethyltransferase 
                EC                      β-pyrazolylalanine synthase 
                EC                      L-mimosine synthase 
                EC                      uracilylalanine synthase 
                EC                      3-deoxy-7-phosphoheptulonate synthase 
                EC                      3-deoxy-8-phosphooctulonate synthase 
                EC                      N-acetylneuraminate synthase 
                EC                      N-acylneuraminate-9-phosphate synthase 
                EC                      protein farnesyltransferase 
                EC                      protein geranylgeranyltransferase type I 
                EC                      protein geranylgeranyltransferase type II 
                EC                      hydroxymethylbilane synthase 
                EC                      chlorophyll synthase 
                EC                      adenosyl-fluoride synthase 
                EC                      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-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase) and EC (2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase) 
                EC                      O-phosphoserine sulfhydrylase 
                EC                      N2-(2-carboxyethyl)arginine synthase 
                EC                      chrysanthemyl diphosphate synthase 
                EC                      (2Z,6E)-farnesyl diphosphate synthase 
                EC                      lavandulyl diphosphate synthase 
                EC                      naringenin 8-dimethylallyltransferase 
                EC                      leachianone-G 2′′-dimethylallyltransferase 
                EC                      quinolinate synthase 
                EC                      O-phospho-L-seryl-tRNA:Cys-tRNA synthase 
                EC                      1,4-dihydroxy-2-naphthoate polyprenyltransferase 
                EC                      tRNA dimethylallyltransferase 
                EC                      cysteate synthase 
                EC                      7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase. Now EC, 5-amino-6-(D-ribitylamino)uracil—L-tyrosine 4-methylphenol transferase and EC, 7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase. 
                EC                      6,7-dimethyl-8-ribityllumazine synthase 
                EC                      thermospermine synthase 
                EC                      7-dimethylallyltryptophan synthase 
                EC                      geranylfarnesyl diphosphate synthase 
                EC                      hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] 
                EC                      hexaprenyl diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific] 
                EC                      all-trans-nonaprenyl diphosphate synthase [geranyl-diphosphate specific] 
                EC                      all-trans-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] 
                EC                      trans,polycis-decaprenyl diphosphate synthase 
                EC                      ditrans,polycis-polyprenyl diphosphate synthase [(2E,6E)-farnesyl diphosphate specific] 
                EC                      trans,polycis-polyprenyl diphosphate synthase [(2Z,6E)-farnesyl diphosphate specific] 
                EC                      tritrans,polycis-undecaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] 
                EC                      all-trans-octaprenyl-diphosphate synthase 
                EC                      all-trans-decaprenyl-diphosphate synthase 
                EC                      (2Z,6Z)-farnesyl diphosphate synthase 
                EC                      4-hydroxybenzoate geranyltransferase 
                EC                      adenosyl-chloride synthase 
                EC                      xanthan ketal pyruvate transferase 
                EC                      4,4′-diapophytoene synthase 
                EC                      pseudaminic acid synthase 
                EC                      Rhizobium leguminosarum exopolysaccharide glucosyl ketal-pyruvate-transferase 
                EC                       all-trans-phytoene synthase. The activity was an artifact caused by photoisomerization of the product of EC, 15-cis-phytoene synthase. 
                EC                      fumigaclavine A dimethylallyltransferase 
                EC                      N,N′-diacetyllegionaminate synthase 
                EC                      geranyl-pyrophosphate—olivetolic acid geranyltransferase 
                EC                      presqualene diphosphate synthase 
                EC                      N1-aminopropylagmatine synthase 
                EC                      7,8-dihydropterin-6-yl-methyl-4-(β-D-ribofuranosyl)aminobenzene 5′-phosphate synthase 
                EC                      tryprostatin B synthase 
                EC                      verruculogen prenyltransferase 
                EC                      2-(3-amino-3-carboxypropyl)histidine synthase 
                EC                      brevianamide F prenyltransferase (deoxybrevianamide E-forming) 
                EC                      12α,13α-dihydroxyfumitremorgin C prenyltransferase 
                EC                      4-hydroxyphenylpyruvate 3-dimethylallyltransferase 
                EC                      adenylate dimethylallyltransferase (ADP/ATP-dependent) 
                EC                      [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase 
                EC                      tRNAPhe (4-demethylwyosine37-C7) aminocarboxypropyltransferase 
                EC                      homogentisate phytyltransferase 
                EC                      homogentisate geranylgeranyltransferase 
                EC                      homogentisate solanesyltransferase 
                EC                      β-(isoxazolin-5-on-2-yl)-L-alanine synthase 
                EC                      β-(isoxazolin-5-on-4-yl)-L-alanine synthase 
                EC                      aminodeoxyfutalosine synthase 
                EC                      5,10-dihydrophenazine-1-carboxylate 9-dimethylallyltransferase 
                EC                      4-O-dimethylallyl-L-tyrosine synthase 
                EC                      flaviolin linalyltransferase 
                EC                      6-linalyl-2-O,3-dimethylflaviolin synthase 
                EC                      7-geranyloxy-5-hydroxy-2-methoxy-3-methylnaphthalene-1,4-dione synthase 
                EC                      norspermine synthase 
                EC                      caldopentamine synthase 
                EC                      N4-bis(aminopropyl)spermidine synthase 
                EC                      flavin prenyltransferase 
                EC                      2-carboxy-1,4-naphthoquinone phytyltransferase 
                EC                      (4-{4-[2-(γ-L-glutamylamino)ethyl]phenoxymethyl}furan-2-yl)methanamine synthase 
                EC                      3-deoxy-D-glycero-D-galacto-nonulopyranosonate 9-phosphate synthase 
                EC                      bacteriochlorophyll a synthase 
                EC                      cystathionine β-synthase (O-acetyl-L-serine) 
                EC                      validamine 7-phosphate valienyltransferase 
                EC                      2-acylphloroglucinol 4-prenyltransferase 
                EC                      2-acyl-4-prenylphloroglucinol 6-prenyltransferase 
                EC                      coumarin 8-geranyltransferase 
                EC                      umbelliferone 6-dimethylallyltransferase 
                EC                      N-(2-amino-2-carboxyethyl)-L-glutamate synthase 
                EC                      heme o synthase 
                EC                      nerylneryl diphosphate synthase 
                EC                      pyridinium-3,5-biscarboxylic acid mononucleotide synthase 
                EC                      S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent) 
                EC                      phosphatidylglycerol—prolipoprotein diacylglyceryl transferase 
                EC                      3-geranyl-3-[(Z)-2-isocyanoethenyl]indole synthase 
                EC                      5-amino-6-(D-ribitylamino)uracil—L-tyrosine 4-hydroxyphenyl transferase 
                EC                      lycopaoctaene synthase 
                EC                      lycopene elongase/hydratase (flavuxanthin-forming) 
                EC                      lycopene elongase/hydratase (dihydrobisanhydrobacterioruberin-forming) 
                EC                      alkylcobalamin dealkylase 
                EC                      D-histidine 2-aminobutanoyltransferase 
                EC                      adenosine tuberculosinyltransferase 
                EC                      corrinoid adenosyltransferase EutT 
                EC                      phosphoglycerol geranylfarnesyltransferase 
                EC                      geranylfarnesylglycerol-phosphate geranylfarnesyltransferase 
                EC                      rRNA small subunit 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 [+]   

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