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

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

EC 1 [+]   
EC 2 []   
    EC 2.1  [+]      
    EC 2.2  [+]      
    EC 2.3  [+]      
    EC 2.4  [+]      
    EC 2.5  [+]      
    EC 2.6  [+]      
    EC 2.7  []      
        EC 2.7.1       [+]    Phosphotransferases with an alcohol group as acceptor 
        EC 2.7.2       [+]    Phosphotransferases with a carboxy group as acceptor 
        EC 2.7.3       [+]    Phosphotransferases with a nitrogenous group as acceptor 
        EC 2.7.4       [+]    Phosphotransferases with a phosphate group as acceptor 
        EC 2.7.5       [+]    Phosphotransferases with regeneration of donors, apparently catalysing intramolecular transfers (deleted sub-subclass) 
        EC 2.7.6       [+]    Diphosphotransferases 
        EC 2.7.7       []    Nucleotidyltransferases 
                EC 2.7.7.1                      nicotinamide-nucleotide adenylyltransferase 
                EC 2.7.7.2                      FAD synthetase 
                EC 2.7.7.3                      pantetheine-phosphate adenylyltransferase 
                EC 2.7.7.4                      sulfate adenylyltransferase 
                EC 2.7.7.5                      sulfate adenylyltransferase (ADP) 
                EC 2.7.7.6                      DNA-directed RNA polymerase 
                EC 2.7.7.7                      DNA-directed DNA polymerase 
                EC 2.7.7.8                      polyribonucleotide nucleotidyltransferase 
                EC 2.7.7.9                      UTP—glucose-1-phosphate uridylyltransferase 
                EC 2.7.7.10                      UTP—hexose-1-phosphate uridylyltransferase 
                EC 2.7.7.11                      UTP—xylose-1-phosphate uridylyltransferase 
                EC 2.7.7.12                      UDP-glucose—hexose-1-phosphate uridylyltransferase 
                EC 2.7.7.13                      mannose-1-phosphate guanylyltransferase 
                EC 2.7.7.14                      ethanolamine-phosphate cytidylyltransferase 
                EC 2.7.7.15                      choline-phosphate cytidylyltransferase 
                EC 2.7.7.16                      ribonuclease. Now EC 3.1.27.5, pancreatic ribonuclease 
                EC 2.7.7.17                      ribonuclease. Now EC 3.1.27.1, ribonuclease T2 
                EC 2.7.7.18                      nicotinate-nucleotide adenylyltransferase 
                EC 2.7.7.19                      polynucleotide adenylyltransferase 
                EC 2.7.7.20                      sRNA nucleotidyl transferase. This entry was identical with EC 2.7.7.25, tRNA adenylyltransferase 
                EC 2.7.7.21                      tRNA cytidylyltransferase. Now EC 2.7.7.72, CCA tRNA nucleotidyltransferase 
                EC 2.7.7.22                      mannose-1-phosphate guanylyltransferase (GDP) 
                EC 2.7.7.23                      UDP-N-acetylglucosamine diphosphorylase 
                EC 2.7.7.24                      glucose-1-phosphate thymidylyltransferase 
                EC 2.7.7.25                      tRNA adenylyltransferase. Now EC 2.7.7.72, CCA tRNA nucleotidyltransferase 
                EC 2.7.7.26                      nicotinate-nucleotide adenylyltransferase. Now EC 3.1.27.3, ribonuclease T1 
                EC 2.7.7.27                      glucose-1-phosphate adenylyltransferase 
                EC 2.7.7.28                      nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase 
                EC 2.7.7.29                       hexose-1-phosphate guanylyltransferase. Enzyme is not specific for GTP and therefore is identical to EC 2.7.7.28, nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase 
                EC 2.7.7.30                      fucose-1-phosphate guanylyltransferase 
                EC 2.7.7.31                      DNA nucleotidylexotransferase 
                EC 2.7.7.32                      galactose-1-phosphate thymidylyltransferase 
                EC 2.7.7.33                      glucose-1-phosphate cytidylyltransferase 
                EC 2.7.7.34                      glucose-1-phosphate guanylyltransferase 
                EC 2.7.7.35                      ADP ribose phosphorylase 
                EC 2.7.7.36                      aldose-1-phosphate adenylyltransferase 
                EC 2.7.7.37                      aldose-1-phosphate nucleotidyltransferase 
                EC 2.7.7.38                      3-deoxy-manno-octulosonate cytidylyltransferase 
                EC 2.7.7.39                      glycerol-3-phosphate cytidylyltransferase 
                EC 2.7.7.40                      D-ribitol-5-phosphate cytidylyltransferase 
                EC 2.7.7.41                      phosphatidate cytidylyltransferase 
                EC 2.7.7.42                      [glutamine synthetase] adenylyltransferase 
                EC 2.7.7.43                      N-acylneuraminate cytidylyltransferase 
                EC 2.7.7.44                      glucuronate-1-phosphate uridylyltransferase 
                EC 2.7.7.45                      guanosine-triphosphate guanylyltransferase 
                EC 2.7.7.46                      gentamicin 2′′-nucleotidyltransferase 
                EC 2.7.7.47                      streptomycin 3′′-adenylyltransferase 
                EC 2.7.7.48                      RNA-directed RNA polymerase 
                EC 2.7.7.49                      RNA-directed DNA polymerase 
                EC 2.7.7.50                      mRNA guanylyltransferase 
                EC 2.7.7.51                      adenylylsulfate—ammonia adenylyltransferase 
                EC 2.7.7.52                      RNA uridylyltransferase 
                EC 2.7.7.53                      ATP adenylyltransferase 
                EC 2.7.7.54                      phenylalanine adenylyltransferase. The activity is part of EC 6.3.2.40, cyclopeptine synthase. 
                EC 2.7.7.55                      anthranilate adenylyltransferase. The activity is part of EC 6.3.2.40, cyclopeptine synthase. 
                EC 2.7.7.56                      tRNA nucleotidyltransferase 
                EC 2.7.7.57                      N-methylphosphoethanolamine cytidylyltransferase 
                EC 2.7.7.58                      (2,3-dihydroxybenzoyl)adenylate synthase 
                EC 2.7.7.59                      [protein-PII] uridylyltransferase 
                EC 2.7.7.60                      2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase 
                EC 2.7.7.61                      citrate lyase holo-[acyl-carrier protein] synthase 
                EC 2.7.7.62                      adenosylcobinamide-phosphate guanylyltransferase 
                EC 2.7.7.63                      lipoate—protein ligase, now EC EC 6.3.1.20, lipoate—protein ligase. 
                EC 2.7.7.64                      UTP-monosaccharide-1-phosphate uridylyltransferase 
                EC 2.7.7.65                      diguanylate cyclase 
                EC 2.7.7.66                      malonate decarboxylase holo-[acyl-carrier protein] synthase 
                EC 2.7.7.67                      CDP-2,3-bis-(O-geranylgeranyl)-sn-glycerol synthase 
                EC 2.7.7.68                      2-phospho-L-lactate guanylyltransferase 
                EC 2.7.7.69                      GDP-L-galactose phosphorylase 
                EC 2.7.7.70                      D-glycero-β-D-manno-heptose 1-phosphate adenylyltransferase 
                EC 2.7.7.71                      D-glycero-α-D-manno-heptose 1-phosphate guanylyltransferase 
                EC 2.7.7.72                      CCA tRNA nucleotidyltransferase 
                EC 2.7.7.73                      sulfur carrier protein ThiS adenylyltransferase 
                EC 2.7.7.74                      1L-myo-inositol 1-phosphate cytidylyltransferase 
                EC 2.7.7.75                      molybdopterin adenylyltransferase 
                EC 2.7.7.76                      molybdenum cofactor cytidylyltransferase 
                EC 2.7.7.77                      molybdenum cofactor guanylyltransferase 
                EC 2.7.7.78                      GDP-D-glucose phosphorylase 
                EC 2.7.7.79                      tRNAHis guanylyltransferase 
                EC 2.7.7.80                      molybdopterin-synthase adenylyltransferase 
                EC 2.7.7.81                      pseudaminic acid cytidylyltransferase 
                EC 2.7.7.82                      CMP-N,N′-diacetyllegionaminic acid synthase 
                EC 2.7.7.83                      UDP-N-acetylgalactosamine diphosphorylase 
                EC 2.7.7.84                      2′-5′ oligoadenylate synthase 
                EC 2.7.7.85                      diadenylate cyclase 
                EC 2.7.7.86                      cyclic GMP-AMP synthase 
                EC 2.7.7.87                      L-threonylcarbamoyladenylate synthase 
                EC 2.7.7.88                      GDP polyribonucleotidyltransferase 
                EC 2.7.7.89                      [glutamine synthetase]-adenylyl-L-tyrosine phosphorylase 
                EC 2.7.7.90                      8-amino-3,8-dideoxy-manno-octulosonate cytidylyltransferase 
                EC 2.7.7.91                      valienol-1-phosphate guanylyltransferase 
                EC 2.7.7.92                      3-deoxy-D-glycero-D-galacto-nonulopyranosonate cytidylyltransferase 
                EC 2.7.7.93                      phosphonoformate cytidylyltransferase 
                EC 2.7.7.94                      4-hydroxyphenylalkanoate adenylyltransferase 
                EC 2.7.7.95                      mycocerosic acid adenylyltransferase. Now EC 6.2.1.49, long-chain fatty acid adenylyltransferase FadD28 
                EC 2.7.7.96                      ADP-D-ribose pyrophosphorylase 
                EC 2.7.7.97                      3-hydroxy-4-methylanthranilate adenylyltransferase 
                EC 2.7.7.98                      4-hydroxybenzoate adenylyltransferase. Now EC 6.2.1.50, 4-hydroxybenzoate adenylyltransferase FadD22 
                EC 2.7.7.99                      N-acetyl-α-D-muramate 1-phosphate uridylyltransferase 
        EC 2.7.8       [+]    Transferases for other substituted phosphate groups 
        EC 2.7.9       [+]    Phosphotransferases with paired acceptors 
        EC 2.7.10       [+]    Protein-tyrosine kinases 
        EC 2.7.11       [+]    Protein-serine/threonine kinases 
        EC 2.7.12       [+]    Dual-specificity kinases (those acting on Ser/Thr and Tyr residues) 
        EC 2.7.13       [+]    Protein-histidine kinases 
        EC 2.7.14       [+]    Protein-arginine kinases 
        EC 2.7.99       [+]    Other protein kinases 
    EC 2.8  [+]      
    EC 2.9  [+]      
    EC 2.10  [+]      
EC 3 [+]   
EC 4 [+]   
EC 5 [+]   
EC 6 [+]   


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