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 2.6  [+]      
    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                      nicotinamide-nucleotide adenylyltransferase 
                EC                      FAD synthase 
                EC                      pantetheine-phosphate adenylyltransferase 
                EC                      sulfate adenylyltransferase 
                EC                      sulfate adenylyltransferase (ADP) 
                EC                      DNA-directed RNA polymerase 
                EC                      DNA-directed DNA polymerase 
                EC                      polyribonucleotide nucleotidyltransferase 
                EC                      UTP—glucose-1-phosphate uridylyltransferase 
                EC                      UTP—hexose-1-phosphate uridylyltransferase 
                EC                      UTP—xylose-1-phosphate uridylyltransferase 
                EC                      UDP-glucose—hexose-1-phosphate uridylyltransferase 
                EC                      mannose-1-phosphate guanylyltransferase 
                EC                      ethanolamine-phosphate cytidylyltransferase 
                EC                      choline-phosphate cytidylyltransferase 
                EC                      ribonuclease. Now EC, pancreatic ribonuclease 
                EC                      ribonuclease. Now EC, ribonuclease T2 
                EC                      nicotinate-nucleotide adenylyltransferase 
                EC                      polynucleotide adenylyltransferase 
                EC                      sRNA nucleotidyl transferase. This entry was identical with EC, tRNA adenylyltransferase 
                EC                      tRNA cytidylyltransferase. Now EC, CCA tRNA nucleotidyltransferase 
                EC                      mannose-1-phosphate guanylyltransferase (GDP) 
                EC                      UDP-N-acetylglucosamine diphosphorylase 
                EC                      glucose-1-phosphate thymidylyltransferase 
                EC                      tRNA adenylyltransferase. Now EC, CCA tRNA nucleotidyltransferase 
                EC                      nicotinate-nucleotide adenylyltransferase. Now EC, ribonuclease T1 
                EC                      glucose-1-phosphate adenylyltransferase 
                EC                      nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase 
                EC                       hexose-1-phosphate guanylyltransferase. Enzyme is not specific for GTP and therefore is identical to EC, nucleoside-triphosphate-aldose-1-phosphate nucleotidyltransferase 
                EC                      fucose-1-phosphate guanylyltransferase 
                EC                      DNA nucleotidylexotransferase 
                EC                      galactose-1-phosphate thymidylyltransferase 
                EC                      glucose-1-phosphate cytidylyltransferase 
                EC                      glucose-1-phosphate guanylyltransferase 
                EC                      ADP ribose phosphorylase 
                EC                      aldose-1-phosphate adenylyltransferase 
                EC                      aldose-1-phosphate nucleotidyltransferase 
                EC                      3-deoxy-manno-octulosonate cytidylyltransferase 
                EC                      glycerol-3-phosphate cytidylyltransferase 
                EC                      D-ribitol-5-phosphate cytidylyltransferase 
                EC                      phosphatidate cytidylyltransferase 
                EC                      [glutamine synthetase] adenylyltransferase 
                EC                      N-acylneuraminate cytidylyltransferase 
                EC                      glucuronate-1-phosphate uridylyltransferase 
                EC                      guanosine-triphosphate guanylyltransferase 
                EC                      gentamicin 2′′-nucleotidyltransferase 
                EC                      streptomycin 3′′-adenylyltransferase 
                EC                      RNA-directed RNA polymerase 
                EC                      RNA-directed DNA polymerase 
                EC                      mRNA guanylyltransferase 
                EC                      adenylylsulfate—ammonia adenylyltransferase 
                EC                      RNA uridylyltransferase 
                EC                      ATP adenylyltransferase 
                EC                      phenylalanine adenylyltransferase. The activity is part of EC, cyclopeptine synthase. 
                EC                      anthranilate adenylyltransferase. The activity is part of EC, cyclopeptine synthase. 
                EC                      tRNA nucleotidyltransferase 
                EC                      N-methylphosphoethanolamine cytidylyltransferase 
                EC                      (2,3-dihydroxybenzoyl)adenylate synthase. Now included in EC, 2,3-dihydroxybenzoate[aryl-carrier protein] ligase 
                EC                      [protein-PII] uridylyltransferase 
                EC                      2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase 
                EC                      citrate lyase holo-[acyl-carrier protein] synthase 
                EC                      adenosylcobinamide-phosphate guanylyltransferase 
                EC                      lipoate—protein ligase. Now EC, lipoate—protein ligase. 
                EC                      UTP-monosaccharide-1-phosphate uridylyltransferase 
                EC                      diguanylate cyclase 
                EC                      malonate decarboxylase holo-[acyl-carrier protein] synthase 
                EC                      CDP-2,3-bis-(O-geranylgeranyl)-sn-glycerol synthase 
                EC                      2-phospho-L-lactate guanylyltransferase 
                EC                      GDP-L-galactose/GDP-D-glucose: hexose 1-phosphate guanylyltransferase 
                EC                      D-glycero-β-D-manno-heptose 1-phosphate adenylyltransferase 
                EC                      D-glycero-α-D-manno-heptose 1-phosphate guanylyltransferase 
                EC                      CCA tRNA nucleotidyltransferase 
                EC                      sulfur carrier protein ThiS adenylyltransferase 
                EC                      1L-myo-inositol 1-phosphate cytidylyltransferase 
                EC                      molybdopterin adenylyltransferase 
                EC                      molybdenum cofactor cytidylyltransferase 
                EC                      molybdenum cofactor guanylyltransferase 
                EC                      GDP-D-glucose phosphorylase 
                EC                      tRNAHis guanylyltransferase 
                EC                      molybdopterin-synthase adenylyltransferase 
                EC                      pseudaminic acid cytidylyltransferase 
                EC                      CMP-N,N′-diacetyllegionaminic acid synthase 
                EC                      UDP-N-acetylgalactosamine diphosphorylase 
                EC                      2′-5′ oligoadenylate synthase 
                EC                      diadenylate cyclase 
                EC                      cyclic GMP-AMP synthase 
                EC                      L-threonylcarbamoyladenylate synthase 
                EC                      GDP polyribonucleotidyltransferase 
                EC                      [glutamine synthetase]-adenylyl-L-tyrosine phosphorylase 
                EC                      8-amino-3,8-dideoxy-manno-octulosonate cytidylyltransferase 
                EC                      valienol-1-phosphate guanylyltransferase 
                EC                      3-deoxy-D-glycero-D-galacto-nonulopyranosonate cytidylyltransferase 
                EC                      phosphonoformate cytidylyltransferase 
                EC                      4-hydroxyphenylalkanoate adenylyltransferase. Now EC, 4-hydroxyphenylalkanoate adenylyltransferase FadD29 
                EC                      mycocerosic acid adenylyltransferase. Now EC, long-chain fatty acid adenylyltransferase FadD28 
                EC                      ADP-D-ribose pyrophosphorylase 
                EC                      3-hydroxy-4-methylanthranilate adenylyltransferase 
                EC                      4-hydroxybenzoate adenylyltransferase. Now EC, 4-hydroxybenzoate adenylyltransferase FadD22 
                EC                      N-acetyl-α-D-muramate 1-phosphate uridylyltransferase 
                EC                      SAMP-activating enzyme 
                EC                      DNA primase DnaG 
                EC                      DNA primase AEP 
                EC                      L-glutamine-phosphate cytidylyltransferase 
                EC                      2-hydroxyethylphosphonate cytidylyltransferase 
                EC                      phosphoenolpyruvate guanylyltransferase 
                EC                      3-phospho-D-glycerate guanylyltransferase 
                EC                      (2-aminoethyl)phosphonate cytidylyltransferase 
                EC                      protein adenylyltransferase 
        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 [+]   
EC 7 [+]   

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