Nomenclature Committee of the International Union of Biochemistry and Molecular Biology (NC-IUBMB)

Enzyme Nomenclature. Recommendations

EC 2 Transferase Nomenclature



1. List of Accepted names EC 2 linked to a separate file for each enzyme. EC 2.1 to EC 2.4.1 and EC 2.4.2 to EC 2.9

2. List of Accepted names EC 2 linked to files with up to 50 enzymes. EC 2.1 to EC 2.4.1 and EC 2.4.2 to EC 2.9

EC 2 Transferases

NumberNameEnzyme file type
EC 2.1 Transferring one-carbon groupsseparateup to 50
EC 2.1.1Methyltransferasesseparateup to 50
EC 2.1.2Hydroxymethyl-, Formyl- and Related Transferasesseparateup to 50
EC 2.1.3Carboxy- and Carbamoyltransferasesseparateup to 50
EC 2.1.4Amidinotransferasesseparateup to 50
EC 2.2 Transferring aldehyde or ketonic groupsseparateup to 50
EC 2.2.1Transketolases and Transaldolasesseparateup to 50
EC 2.3 Acyltransferasesseparateup to 50
EC 2.3.1Transferring groups other than amino-acyl groupsseparateup to 50
EC 2.3.2Aminoacyltransferasesseparateup to 50
EC 2.3.3Acyl groups converted into alkyl on transferseparateup to 50
EC 2.4 Glycosyltransferasesseparateup to 50
EC 2.4.1Hexosyltransferasesseparateup to 50
EC 2.4.2Pentosyltransferasesseparateup to 50
EC 2.4.99Transferring other glycosyl groupsseparateup to 50
EC 2.5 Transferring alkyl or aryl groups, other than methyl groupsseparateup to 50
EC 2.5.1Transferring Alkyl or Aryl Groups, Other than Methyl Groupsseparateup to 50
EC 2.6 Transferring nitrogenous groupsseparateup to 50
EC 2.6.1Transaminasesseparateup to 50
EC 2.6.2Amidinotransferasesseparateup to 50
EC 2.6.3Oximinotransferasesseparateup to 50
EC 2.6.99Transferring Other Nitrogenous Groupsseparateup to 50
EC 2.7 Transferring phosphorus-containing groupsseparateup to 50
EC 2.7.1Phosphotransferases with an alcohol group as acceptorseparateup to 50
EC 2.7.2Phosphotransferases with a carboxy group as acceptorseparateup to 50
EC 2.7.3Phosphotransferases with a nitrogenous group as acceptorseparateup to 50
EC 2.7.4Phosphotransferases with a phosphate group as acceptorseparateup to 50
EC 2.7.5Phosphotransferases with regeneration of donors, apparently
catalysing intramolecular transfers
separateup to 50
EC 2.7.6Diphosphotransferasesseparateup to 50
EC 2.7.7Nucleotidyltransferasesseparateup to 50
EC 2.7.8Transferases for other substituted phosphate groupsseparateup to 50
EC 2.7.9Phosphotransferases with paired acceptorsseparateup to 50
EC 2.7.10Protein-tyrosine kinasesseparateup to 50
EC 2.7.11Protein-serine/threonine kinasesseparateup to 50
EC 2.7.12Dual-specificity kinases (those acting on Ser/Thr and Tyr residues)separateup to 50
EC 2.7.13Protein-histidine kinasesseparateup to 50
EC 2.7.14Protein-histidine kinasesseparateup to 50
EC 2.7.99Other protein kinasesseparateup to 50
EC 2.8 Transferring sulfur-containing groupsseparateup to 50
EC 2.8.1Sulfurtransferasesseparateup to 50
EC 2.8.2Sulfotransferasesseparateup to 50
EC 2.8.3CoA-transferasesseparateup to 50
EC 2.8.4Transferring alkylthio groupsseparateup to 50
EC 2.8.5Thiosulfotransferasesseparateup to 50
EC 2.9 Transferring selenium-containing groupsseparateup to 50
EC 2.9.1Selenotransferasesseparateup to 50
EC 2.10 Transferring molybdenum- or tungsten-containing groupsseparateup to 50
EC 2.10.1Molybdenumtransferases or tungstentransferases with sulfide groups as acceptorsseparateup to 50

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