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

Enzyme Nomenclature. Recommendations

https://iubmb.qmul.ac.uk/enzyme/EC5/

EC 5. Isomerases

Contents

Introduction

1. List of accepted names EC 5 linked to a separate file for each enzyme.

2. List of accepted names EC 5 linked to files with up to 50 enzymes.

EC 5. Isomerases

NumberNameEnzyme file type
EC 5.1 Racemases and Epimerasesseparateup to 50
EC 5.1.1Acting on Amino Acids and Derivativesseparateup to 50
EC 5.1.2Acting on Hydroxy Acids and Derivativesseparateup to 50
EC 5.1.3Acting on Carbohydrates and Derivativesseparateup to 50
EC 5.1.99Acting on Other Compoundsseparateup to 50
EC 5.2 cis-trans-Isomerasesseparateup to 50
EC 5.3 Intramolecular Oxidoreductasesseparateup to 50
EC 5.3.1Interconverting Aldoses and Ketosesseparateup to 50
EC 5.3.2Interconverting Keto- and Enol-Groupsseparateup to 50
EC 5.3.3Transposing C=C Bondsseparateup to 50
EC 5.3.4Transposing S-S Bondsseparateup to 50
EC 5.3.99Other Intramolecular Oxidoreductasesseparateup to 50
EC 5.4 Intramolecular Transferasesseparateup to 50
EC 5.4.1Transferring Acyl Groupsseparateup to 50
EC 5.4.2Phosphotransferases (Phosphomutases)separateup to 50
EC 5.4.3Transferring Amino Groupsseparateup to 50
EC 5.4.4Transferring Hydroxy Groupsseparateup to 50
EC 5.4.99Transferring Other Groupsseparateup to 50
EC 5.5 Intramolecular Lyasesseparateup to 50
EC 5.6 Isomerases altering macromolecular conformationseparateup to 50
EC 5.6.1Enzymes altering polypeptide conformation or assemblyseparateup to 50
EC 5.6.2Enzymes altering nucleic acid conformationseparateup to 50
EC 5.99 Other Isomerasesseparateup to 50


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