List of EC numbers (EC 2)

This list contains a list of EC numbers for the second group, EC 2, transferases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.

EC 2.1: Transferring One-Carbon Groups

EC 2.2: Transferring Aldehyde or Ketonic Groups

EC 2.3: Acyltransferases

EC 2.4: Glycosyltransferases

EC 2.5: Transferring Alkyl or Aryl Groups, Other than Methyl Groups

EC 2.6: Transferring Nitrogenous Groups

EC 2.7: Transferring Phosphorus-Containing Groups

EC 2.7.5.1: now EC 5.4.2.2
EC 2.7.5.2: now EC 5.4.2.3
EC 2.7.5.3: now EC 5.4.2.1
EC 2.7.5.4: now EC 5.4.2.4
EC 2.7.5.5: now EC 5.4.2.5
EC 2.7.5.6: now EC 5.4.2.7
EC 2.7.5.7: now EC 5.4.2.8

EC 2.8: Transferring Sulfur-Containing Groups

EC 2.9: Transferring Selenium-Containing Groups

EC 2.10: Transferring molybdenum- or tungsten-containing groups

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Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

Transferases: acyltransferases (EC 2.3)
2.3.1: other than amino-acyl groups	acetyltransferases: Acetyl-Coenzyme A acetyltransferase N-Acetylglutamate synthase Choline acetyltransferase Dihydrolipoyl transacetylase Acetyl-CoA C-acyltransferase Beta-galactoside transacetylase Chloramphenicol acetyltransferase N-acetyltransferase Serotonin N-acetyl transferase HGSNAT ARD1A Histone acetyltransferase P300/CBP NAT2 palmitoyltransferases: Carnitine O-palmitoyltransferase CPT1 CPT2 Serine C-palmitoyltransferase SPTLC1 SPTLC2 other: Acyltransferase like 2 Aminolevulinic acid synthase Beta-ketoacyl-ACP synthase Glyceronephosphate O-acyltransferase Lecithin—cholesterol acyltransferase Glycerol-3-phosphate O-acyltransferase 1-acylglycerol-3-phosphate O-acyltransferase 2-acylglycerol-3-phosphate O-acyltransferase ABHD5
2.3.2: Aminoacyltransferases	Gamma-glutamyl transpeptidase Peptidyl transferase Transglutaminase Tissue transglutaminase Keratinocyte transglutaminase Factor XIII
2.3.3: converted into alkyl on transfer	Citrate synthase Decylcitrate synthase Citrate (Re)-synthase Decylhomocitrate synthase 2-methylcitrate synthase 2-ethylmalate synthase 3-ethylmalate synthase ATP citrate lyase Malate synthase HMG-CoA synthase HMGCS2 2-hydroxyglutarate synthase 3-propylmalate synthase 2-isopropylmalate synthase Homocitrate synthase Sulfoacetaldehyde acetyltransferase

Transferase: nitrogenous groups (EC 2.6)
2.6.1: Transaminases	Aspartate transaminase GOT1 GOT2 Alanine transaminase GABA transaminase Tyrosine aminotransferase Kynurenine—oxoglutarate transaminase Ornithine aminotransferase Branched-chain amino acid aminotransferase Alanine—glyoxylate transaminase AGXT
2.6.3: Oximinotransferases	Oximinotransferase
2.6.99: Other	Pyridoxine 5'-phosphate synthase

Transferases: sulfur-containing group (EC 2.8)
2.8.1: Sulfurtransferases	Thiosulfate sulfurtransferase Rhodanese 3-mercaptopyruvate sulfurtransferase thiosulfate—thiol sulfurtransferase tRNA sulfurtransferase thiosulfate—dithiol sulfurtransferase biotin synthase cysteine desulfurase
2.8.2: Sulfotransferases	Alcohol sulfotransferase Tyrosylprotein sulfotransferase Aryl sulfotransferase
2.8.3: CoA-transferases	Propionate CoA-transferase
2.8.4: Alkylthio	Coenzyme-B sulfoethylthiotransferase

List of EC numbers (EC 2)

EC 2.1: Transferring One-Carbon Groups

EC 2.1.1: Methyltransferases

EC 2.1.2: Hydroxymethyl-, Formyl- and Related Transferases

EC 2.1.3: Carboxy- and Carbamoyltransferases

EC 2.1.4: Amidinotransferases

EC 2.2: Transferring Aldehyde or Ketonic Groups

EC 2.2.1: Transketolases and Transaldolases

EC 2.3: Acyltransferases

EC 2.3.1: Transferring groups other than amino-acyl groups

EC 2.3.2: Aminoacyltransferases

EC 2.3.3: Acyl groups converted into alkyl on transfer

EC 2.4: Glycosyltransferases

EC 2.4.1: Hexosyltransferases

EC 2.4.2: Pentosyltransferases

EC 2.4.99: Transferring Other Glycosyl Groups

EC 2.5: Transferring Alkyl or Aryl Groups, Other than Methyl Groups

EC 2.6: Transferring Nitrogenous Groups

EC 2.6.1: Transaminases

EC 2.6.2: Amidinotransferases

EC 2.6.3: Oximinotransferases

EC 2.6.99: Transferring Other Nitrogenous Groups

EC 2.7: Transferring Phosphorus-Containing Groups

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

EC 2.7.6: Diphosphotransferases

EC 2.7.7: Nucleotidyltransferases

EC 2.7.8: Transferases for other substituted phosphate groups

EC 2.7.9: Phosphotransferases with paired acceptors (dikinases)

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 2.7.99: Other protein kinases

EC 2.8: Transferring Sulfur-Containing Groups

EC 2.8.1: Sulfurtransferases

EC 2.8.2: Sulfotransferases

EC 2.8.3: CoA-transferases

EC 2.8.4: Transferring alkylthio groups

EC 2.9: Transferring Selenium-Containing Groups

EC 2.9.1: Selenotransferases

EC 2.10: Transferring molybdenum- or tungsten-containing groups

EC 2.10.1: Molybdenumtransferases or tungstentransferases with sulfide groups as acceptors