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 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

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EC 1 [+]   
EC 2 []   
    EC 2.1  [+]      
    EC 2.2  [+]      
    EC 2.3  []      
        EC 2.3.1       []    Transferring groups other than aminoacyl groups 
                EC 2.3.1.1                      amino-acid N-acetyltransferase 
                EC 2.3.1.2                      imidazole N-acetyltransferase 
                EC 2.3.1.3                      glucosamine N-acetyltransferase 
                EC 2.3.1.4                      glucosamine-phosphate N-acetyltransferase 
                EC 2.3.1.5                      arylamine N-acetyltransferase 
                EC 2.3.1.6                      choline O-acetyltransferase 
                EC 2.3.1.7                      carnitine O-acetyltransferase 
                EC 2.3.1.8                      phosphate acetyltransferase 
                EC 2.3.1.9                      acetyl-CoA C-acetyltransferase 
                EC 2.3.1.10                      hydrogen-sulfide S-acetyltransferase 
                EC 2.3.1.11                      thioethanolamine S-acetyltransferase 
                EC 2.3.1.12                      dihydrolipoyllysine-residue acetyltransferase 
                EC 2.3.1.13                      glycine N-acyltransferase 
                EC 2.3.1.14                      glutamine N-phenylacetyltransferase 
                EC 2.3.1.15                      glycerol-3-phosphate 1-O-acyltransferase 
                EC 2.3.1.16                      acetyl-CoA C-acyltransferase 
                EC 2.3.1.17                      aspartate N-acetyltransferase 
                EC 2.3.1.18                      galactoside O-acetyltransferase 
                EC 2.3.1.19                      phosphate butyryltransferase 
                EC 2.3.1.20                      diacylglycerol O-acyltransferase 
                EC 2.3.1.21                      carnitine O-palmitoyltransferase 
                EC 2.3.1.22                      2-acylglycerol O-acyltransferase 
                EC 2.3.1.23                      1-acylglycerophosphocholine O-acyltransferase 
                EC 2.3.1.24                      sphingosine N-acyltransferase 
                EC 2.3.1.25                      plasmalogen synthase 
                EC 2.3.1.26                      sterol O-acyltransferase 
                EC 2.3.1.27                      cortisol O-acetyltransferase 
                EC 2.3.1.28                      chloramphenicol O-acetyltransferase 
                EC 2.3.1.29                      glycine C-acetyltransferase 
                EC 2.3.1.30                      serine O-acetyltransferase 
                EC 2.3.1.31                      homoserine O-acetyltransferase 
                EC 2.3.1.32                      lysine N-acetyltransferase 
                EC 2.3.1.33                      histidine N-acetyltransferase 
                EC 2.3.1.34                      D-tryptophan N-acetyltransferase 
                EC 2.3.1.35                      glutamate N-acetyltransferase 
                EC 2.3.1.36                      D-amino-acid N-acetyltransferase 
                EC 2.3.1.37                      5-aminolevulinate synthase 
                EC 2.3.1.38                      [acyl-carrier-protein] S-acetyltransferase 
                EC 2.3.1.39                      [acyl-carrier-protein] S-malonyltransferase 
                EC 2.3.1.40                      acyl-[acyl-carrier-protein]—phospholipid O-acyltransferase 
                EC 2.3.1.41                      β-ketoacyl-[acyl-carrier-protein] synthase I 
                EC 2.3.1.42                      glycerone-phosphate O-acyltransferase 
                EC 2.3.1.43                      phosphatidylcholine—sterol O-acyltransferase 
                EC 2.3.1.44                      N-acetylneuraminate 4-O-acetyltransferase 
                EC 2.3.1.45                      N-acetylneuraminate 7-O(or 9-O)-acetyltransferase 
                EC 2.3.1.46                      homoserine O-succinyltransferase 
                EC 2.3.1.47                      8-amino-7-oxononanoate synthase 
                EC 2.3.1.48                      histone acetyltransferase 
                EC 2.3.1.49                      deacetyl-[citrate-(pro-3S)-lyase] S-acetyltransferase 
                EC 2.3.1.50                      serine C-palmitoyltransferase 
                EC 2.3.1.51                      1-acylglycerol-3-phosphate O-acyltransferase 
                EC 2.3.1.52                      2-acylglycerol-3-phosphate O-acyltransferase 
                EC 2.3.1.53                      phenylalanine N-acetyltransferase 
                EC 2.3.1.54                      formate C-acetyltransferase 
                EC 2.3.1.55                       kanamycin 6′-N-acetyltransferase identical to EC 2.3.1.82 aminoglycoside N6′-acetyltransferase 
                EC 2.3.1.56                      aromatic-hydroxylamine O-acetyltransferase 
                EC 2.3.1.57                      diamine N-acetyltransferase 
                EC 2.3.1.58                      2,3-diaminopropionate N-oxalyltransferase 
                EC 2.3.1.59                      gentamicin 2′-N-acetyltransferase 
                EC 2.3.1.60                      gentamicin 3-N-acetyltransferase 
                EC 2.3.1.61                      dihydrolipoyllysine-residue succinyltransferase 
                EC 2.3.1.62                      2-acylglycerophosphocholine O-acyltransferase 
                EC 2.3.1.63                      1-alkylglycerophosphocholine O-acyltransferase 
                EC 2.3.1.64                      agmatine N4-coumaroyltransferase 
                EC 2.3.1.65                      bile acid-CoA:amino acid N-acyltransferase 
                EC 2.3.1.66                      leucine N-acetyltransferase 
                EC 2.3.1.67                      1-alkylglycerophosphocholine O-acetyltransferase 
                EC 2.3.1.68                      glutamine N-acyltransferase 
                EC 2.3.1.69                      monoterpenol O-acetyltransferase 
                EC 2.3.1.70                      CDP-acylglycerol O-arachidonoyltransferase. This enzyme was deleted following a retraction of the evidence upon which the entry had been drafted (Thompson, W. and Zuk, R.T. Acylation of CDP-monoacylglycerol cannot be confirmed. J. Biol. Chem. 258 (1983) 9623. [PMID: 6885763]). 
                EC 2.3.1.71                      glycine N-benzoyltransferase 
                EC 2.3.1.72                      indoleacetylglucose—inositol O-acyltransferase 
                EC 2.3.1.73                      diacylglycerol—sterol O-acyltransferase 
                EC 2.3.1.74                      naringenin-chalcone synthase 
                EC 2.3.1.75                      long-chain-alcohol O-fatty-acyltransferase 
                EC 2.3.1.76                      retinol O-fatty-acyltransferase 
                EC 2.3.1.77                      triacylglycerol—sterol O-acyltransferase 
                EC 2.3.1.78                      heparan-α-glucosaminide N-acetyltransferase 
                EC 2.3.1.79                      maltose O-acetyltransferase 
                EC 2.3.1.80                      cysteine-S-conjugate N-acetyltransferase 
                EC 2.3.1.81                      aminoglycoside 3-N-acetyltransferase 
                EC 2.3.1.82                      aminoglycoside 6′-N-acetyltransferase 
                EC 2.3.1.83                      phosphatidylcholine—dolichol O-acyltransferase 
                EC 2.3.1.84                      alcohol O-acetyltransferase 
                EC 2.3.1.85                      fatty-acid synthase 
                EC 2.3.1.86                      fatty-acyl-CoA synthase 
                EC 2.3.1.87                      aralkylamine N-acetyltransferase 
                EC 2.3.1.88                      peptide α-N-acetyltransferase. Now covered by EC 2.3.1.254, N-terminal methionine Nα-acetyltransferase NatB, EC 2.3.1.255, N-terminal amino-acid Nα-acetyltransferase NatA, EC 2.3.1.256, N-terminal methionine Nα-acetyltransferase NatC, EC 2.3.1.257, N-terminal L-serine Nα-acetyltransferase NatD, EC 2.3.1.258, N-terminal methionine Nα-acetyltransferase NatE and EC 2.3.1.259, N-terminal methionine Nα-acetyltransferase NatF 
                EC 2.3.1.89                      tetrahydrodipicolinate N-acetyltransferase 
                EC 2.3.1.90                      β-glucogallin O-galloyltransferase 
                EC 2.3.1.91                      sinapoylglucose—choline O-sinapoyltransferase 
                EC 2.3.1.92                      sinapoylglucose—malate O-sinapoyltransferase 
                EC 2.3.1.93                      13-hydroxylupanine O-tigloyltransferase 
                EC 2.3.1.94                      6-deoxyerythronolide-B synthase 
                EC 2.3.1.95                      trihydroxystilbene synthase 
                EC 2.3.1.96                      glycoprotein N-palmitoyltransferase 
                EC 2.3.1.97                      glycylpeptide N-tetradecanoyltransferase 
                EC 2.3.1.98                      chlorogenate—glucarate O-hydroxycinnamoyltransferase 
                EC 2.3.1.99                      quinate O-hydroxycinnamoyltransferase 
                EC 2.3.1.100                      [myelin-proteolipid] O-palmitoyltransferase 
                EC 2.3.1.101                      formylmethanofuran—tetrahydromethanopterin N-formyltransferase 
                EC 2.3.1.102                      N6-hydroxylysine N-acetyltransferase 
                EC 2.3.1.103                      sinapoylglucose—sinapoylglucose O-sinapoyltransferase 
                EC 2.3.1.104                      1-alkenylglycerophosphocholine O-acyltransferase. The activity is covered by EC 2.3.1.25, plasmalogen synthase 
                EC 2.3.1.105                      alkylglycerophosphate 2-O-acetyltransferase 
                EC 2.3.1.106                      tartronate O-hydroxycinnamoyltransferase 
                EC 2.3.1.107                      deacetylvindoline O-acetyltransferase 
                EC 2.3.1.108                      α-tubulin N-acetyltransferase 
                EC 2.3.1.109                      arginine N-succinyltransferase 
                EC 2.3.1.110                      tyramine N-feruloyltransferase 
                EC 2.3.1.111                      mycocerosate synthase 
                EC 2.3.1.112                      D-tryptophan N-malonyltransferase 
                EC 2.3.1.113                      anthranilate N-malonyltransferase 
                EC 2.3.1.114                      3,4-dichloroaniline N-malonyltransferase 
                EC 2.3.1.115                      isoflavone-7-O-β-glucoside 6′′-O-malonyltransferase 
                EC 2.3.1.116                      flavonol-3-O-β-glucoside O-malonyltransferase 
                EC 2.3.1.117                      2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase 
                EC 2.3.1.118                      N-hydroxyarylamine O-acetyltransferase 
                EC 2.3.1.119                      icosanoyl-CoA synthase. Now covered by EC 2.3.1.199, very-long-chain 3-oxoacyl-CoA synthase, EC 1.1.1.330, very-long-chain 3-oxoacyl-CoA reductase, EC 4.2.1.134, very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase, and EC 1.3.1.93, very-long-chain enoyl-CoA reductase. 
                EC 2.3.1.120                       6′-deoxychalcone synthase. The reaction listed is due to EC 2.3.1.74 naringenin-chalcone synthase 
                EC 2.3.1.121                      1-alkenylglycerophosphoethanolamine O-acyltransferase 
                EC 2.3.1.122                      trehalose O-mycolyltransferase 
                EC 2.3.1.123                      dolichol O-acyltransferase 
                EC 2.3.1.124                      diacylglycerol acyltransferase. Already listed as EC 2.3.1.20, diacylglycerol O-acyltransferase 
                EC 2.3.1.125                      1-alkyl-2-acetylglycerol O-acyltransferase 
                EC 2.3.1.126                      isocitrate O-dihydroxycinnamoyltransferase 
                EC 2.3.1.127                      ornithine N-benzoyltransferase 
                EC 2.3.1.128                      ribosomal-protein-alanine N-acetyltransferase 
                EC 2.3.1.129                      acyl-[acyl-carrier-protein]—UDP-N-acetylglucosamine O-acyltransferase 
                EC 2.3.1.130                      galactarate O-hydroxycinnamoyltransferase 
                EC 2.3.1.131                      glucarate O-hydroxycinnamoyltransferase 
                EC 2.3.1.132                      glucarolactone O-hydroxycinnamoyltransferase 
                EC 2.3.1.133                      shikimate O-hydroxycinnamoyltransferase 
                EC 2.3.1.134                      galactolipid O-acyltransferase 
                EC 2.3.1.135                      phosphatidylcholine—retinol O-acyltransferase 
                EC 2.3.1.136                      polysialic-acid O-acetyltransferase 
                EC 2.3.1.137                      carnitine O-octanoyltransferase 
                EC 2.3.1.138                      putrescine N-hydroxycinnamoyltransferase 
                EC 2.3.1.139                      ecdysone O-acyltransferase 
                EC 2.3.1.140                      rosmarinate synthase 
                EC 2.3.1.141                      galactosylacylglycerol O-acyltransferase 
                EC 2.3.1.142                      glycoprotein O-fatty-acyltransferase 
                EC 2.3.1.143                      β-glucogallin—tetrakisgalloylglucose O-galloyltransferase 
                EC 2.3.1.144                      anthranilate N-benzoyltransferase 
                EC 2.3.1.145                      piperidine N-piperoyltransferase 
                EC 2.3.1.146                      pinosylvin synthase 
                EC 2.3.1.147                      glycerophospholipid arachidonoyl-transferase (CoA-independent) 
                EC 2.3.1.148                      glycerophospholipid acyltransferase (CoA-dependent) 
                EC 2.3.1.149                      platelet-activating factor acetyltransferase 
                EC 2.3.1.150                      salutaridinol 7-O-acetyltransferase 
                EC 2.3.1.151                      2,3′,4,6-tetrahydroxybenzophenone synthase 
                EC 2.3.1.152                      alcohol O-cinnamoyltransferase 
                EC 2.3.1.153                      anthocyanin 5-(6′′′-hydroxycinnamoyltransferase) 
                EC 2.3.1.154                      Propionyl-CoA C2-trimethyltridecanoyltransferase. Now EC 2.3.1.176, propanoyl-CoA C-acyltransferase. 
                EC 2.3.1.155                      acetyl-CoA C-myristoyltransferase 
                EC 2.3.1.156                      phloroisovalerophenone synthase 
                EC 2.3.1.157                      glucosamine-1-phosphate N-acetyltransferase 
                EC 2.3.1.158                      phospholipid:diacylglycerol acyltransferase 
                EC 2.3.1.159                      acridone synthase 
                EC 2.3.1.160                      vinorine synthase 
                EC 2.3.1.161                      lovastatin nonaketide synthase 
                EC 2.3.1.162                      taxadien-5α-ol O-acetyltransferase 
                EC 2.3.1.163                      10-hydroxytaxane O-acetyltransferase 
                EC 2.3.1.164                      isopenicillin-N N-acyltransferase 
                EC 2.3.1.165                      6-methylsalicylic-acid synthase 
                EC 2.3.1.166                      2α-hydroxytaxane 2-O-benzoyltransferase 
                EC 2.3.1.167                      10-deacetylbaccatin III 10-O-acetyltransferase 
                EC 2.3.1.168                      dihydrolipoyllysine-residue (2-methylpropanoyl)transferase 
                EC 2.3.1.169                      CO-methylating acetyl-CoA synthase 
                EC 2.3.1.170                      6′-deoxychalcone synthase 
                EC 2.3.1.171                      anthocyanin 6′′-O-malonyltransferase 
                EC 2.3.1.172                      anthocyanin 5-O-glucoside 6′′′-O-malonyltransferase 
                EC 2.3.1.173                      flavonol-3-O-triglucoside O-coumaroyltransferase 
                EC 2.3.1.174                      3-oxoadipyl-CoA thiolase 
                EC 2.3.1.175                      deacetylcephalosporin-C acetyltransferase 
                EC 2.3.1.176                      propanoyl-CoA C-acyltransferase 
                EC 2.3.1.177                      3,5-dihydroxybiphenyl synthase 
                EC 2.3.1.178                      diaminobutyrate acetyltransferase 
                EC 2.3.1.179                      β-ketoacyl-[acyl-carrier-protein] synthase II 
                EC 2.3.1.180                      β-ketoacyl-[acyl-carrier-protein] synthase III 
                EC 2.3.1.181                      lipoyl(octanoyl) transferase 
                EC 2.3.1.182                      (R)-citramalate synthase 
                EC 2.3.1.183                      phosphinothricin acetyltransferase 
                EC 2.3.1.184                      acyl-homoserine-lactone synthase 
                EC 2.3.1.185                      tropine acyltransferase 
                EC 2.3.1.186                      pseudotropine acyltransferase 
                EC 2.3.1.187                      acetyl-S-ACP:malonate ACP transferase 
                EC 2.3.1.188                      ω-hydroxypalmitate O-feruloyl transferase 
                EC 2.3.1.189                      mycothiol synthase 
                EC 2.3.1.190                      acetoin dehydrogenase 
                EC 2.3.1.191                      UDP-3-O-(3-hydroxymyristoyl)glucosamine N-acyltransferase 
                EC 2.3.1.192                      glycine N-phenylacetyltransferase 
                EC 2.3.1.193                      tRNAMet cytidine acetyltransferase 
                EC 2.3.1.194                      acetoacetyl-CoA synthase 
                EC 2.3.1.195                      (Z)-3-hexen-1-ol acetyltransferase 
                EC 2.3.1.196                      benzyl alcohol O-benzoyltransferase 
                EC 2.3.1.197                      dTDP-3-amino-3,6-dideoxy-α-D-galactopyranose 3-N-acetyltransferase 
                EC 2.3.1.198                      glycerol-3-phosphate 2-O-acyltransferase 
                EC 2.3.1.199                      very-long-chain 3-oxoacyl-CoA synthase 
                EC 2.3.1.200                      lipoyl amidotransferase 
                EC 2.3.1.201                      UDP-2-acetamido-3-amino-2,3-dideoxy-glucuronate N-acetyltransferase 
                EC 2.3.1.202                      UDP-4-amino-4,6-dideoxy-N-acetyl-β-L-altrosamine N-acetyltransferase  
                EC 2.3.1.203                      UDP-N-acetylbacillosamine N-acetyltransferase 
                EC 2.3.1.204                      octanoyl-[GcvH]:protein N-octanoyltransferase 
                EC 2.3.1.205                      fumigaclavine B O-acetyltransferase 
                EC 2.3.1.206                      3,5,7-trioxododecanoyl-CoA synthase 
                EC 2.3.1.207                      β-ketodecanoyl-[acyl-carrier-protein] synthase 
                EC 2.3.1.208                      4-hydroxycoumarin synthase 
                EC 2.3.1.209                      dTDP-4-amino-4,6-dideoxy-D-glucose acyltransferase 
                EC 2.3.1.210                      dTDP-4-amino-4,6-dideoxy-D-galactose acyltransferase 
                EC 2.3.1.211                      bisdemethoxycurcumin synthase 
                EC 2.3.1.212                      benzalacetone synthase 
                EC 2.3.1.213                      cyanidin 3-O-(6-O-glucosyl-2-O-xylosylgalactoside) 6′′′-O-hydroxycinnamoyltransferase 
                EC 2.3.1.214                      pelargonidin 3-O-(6-caffeoylglucoside) 5-O-(6-O-malonylglucoside) 4′′′-malonyltransferase 
                EC 2.3.1.215                      anthocyanidin 3-O-glucoside 6′′-O-acyltransferase  
                EC 2.3.1.216                      5,7-dihydroxy-2-methylchromone synthase 
                EC 2.3.1.217                      curcumin synthase 
                EC 2.3.1.218                      phenylpropanoylacetyl-CoA synthase 
                EC 2.3.1.219                      demethoxycurcumin synthase 
                EC 2.3.1.220                      2,4,6-trihydroxybenzophenone synthase 
                EC 2.3.1.221                      noranthrone synthase 
                EC 2.3.1.222                      phosphate propanoyltransferase 
                EC 2.3.1.223                      3-oxo-5,6-didehydrosuberyl-CoA thiolase  
                EC 2.3.1.224                      acetyl-CoA-benzylalcohol acetyltransferase 
                EC 2.3.1.225                      protein S-acyltransferase  
                EC 2.3.1.226                      carboxymethylproline synthase 
                EC 2.3.1.227                      GDP-perosamine N-acetyltransferase 
                EC 2.3.1.228                      isovaleryl-homoserine lactone synthase 
                EC 2.3.1.229                      4-coumaroyl-homoserine lactone synthase 
                EC 2.3.1.230                      2-heptyl-4(1H)-quinolone synthase 
                EC 2.3.1.231                      tRNAPhe {7-[3-amino-3-(methoxycarbonyl)propyl]wyosine37-N}-methoxycarbonyltransferase 
                EC 2.3.1.232                      methanol O-anthraniloyltransferase 
                EC 2.3.1.233                      1,3,6,8-tetrahydroxynaphthalene synthase 
                EC 2.3.1.234                      N6-L-threonylcarbamoyladenine synthase 
                EC 2.3.1.235                      tetracenomycin F2 synthase 
                EC 2.3.1.236                      5-methylnaphthoic acid synthase 
                EC 2.3.1.237                      neocarzinostatin naphthoate synthase 
                EC 2.3.1.238                      monacolin J acid methylbutanoate transferase 
                EC 2.3.1.239                      10-deoxymethynolide synthase 
                EC 2.3.1.240                      narbonolide synthase 
                EC 2.3.1.241                      Kdo2-lipid IVA lauroyltransferase 
                EC 2.3.1.242                      Kdo2-lipid IVA palmitoleoyltransferase 
                EC 2.3.1.243                      lauroyl-Kdo2-lipid IVA myristoyltransferase 
                EC 2.3.1.244                      2-methylbutanoate polyketide synthase 
                EC 2.3.1.245                      3-hydroxy-5-phosphonooxypentane-2,4-dione thiolase 
                EC 2.3.1.246                      3,5-dihydroxyphenylacetyl-CoA synthase 
                EC 2.3.1.247                      3-keto-5-aminohexanoate cleavage enzyme 
                EC 2.3.1.248                      spermidine disinapoyl transferase 
                EC 2.3.1.249                      spermidine dicoumaroyl transferase 
                EC 2.3.1.250                      [Wnt protein] O-palmitoleoyl transferase 
                EC 2.3.1.251                      lipid IVA palmitoyltransferase 
                EC 2.3.1.252                      mycolipanoate synthase 
                EC 2.3.1.253                      phloroglucinol synthase 
                EC 2.3.1.254                      N-terminal methionine Nα-acetyltransferase NatB 
                EC 2.3.1.255                      N-terminal amino-acid Nα-acetyltransferase NatA 
                EC 2.3.1.256                      N-terminal methionine Nα-acetyltransferase NatC 
                EC 2.3.1.257                      N-terminal L-serine Nα-acetyltransferase NatD 
                EC 2.3.1.258                      N-terminal methionine Nα-acetyltransferase NatE 
                EC 2.3.1.259                      N-terminal methionine Nα-acetyltransferase NatF 
                EC 2.3.1.260                      tetracycline polyketide synthase 
                EC 2.3.1.261                      (4-hydroxyphenyl)alkanoate synthase 
                EC 2.3.1.262                      anthraniloyl-CoA anthraniloyltransferase 
                EC 2.3.1.263                      2-amino-4-oxopentanoate thiolase 
                EC 2.3.1.264                      β-lysine N6-acetyltransferase 
                EC 2.3.1.265                      phosphatidylinositol dimannoside acyltransferase 
        EC 2.3.2       [+]    Aminoacyltransferases 
        EC 2.3.3       [+]    Acyl groups converted into alkyl groups on transfer 
    EC 2.4  [+]      
    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 [+]   


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