EC Explorer

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EC Tree

1 Oxidoreductases

3.1 Acting on ester bonds

3.2 Glycosylases

3.3 Acting on ether bonds

3.3.1 Thioether and trialkylsulfonium hydrolases (deleted sub-subclass)

3.3.2 Ether hydrolases

3.4 Acting on peptide bonds (peptidases)

3.5 Acting on carbon-nitrogen bonds, other than peptide bonds

3.6 Acting on acid anhydrides

3.7 Acting on carbon-carbon bonds

3.8 Acting on halide bonds

3.9 Acting on phosphorus-nitrogen bonds

3.9.1 Acting on phosphorus-nitrogen bonds (only sub-subclass identified to date)

3.10 Acting on sulfur-nitrogen bonds

3.11 Acting on carbon-phosphorus bonds

3.12 Acting on sulfur-sulfur bonds

3.13 Acting on carbon-sulfur bonds

5.1 Racemases and epimerases

5.2 cis-trans-Isomerases

5.3 Intramolecular oxidoreductases

5.4 Intramolecular transferases

5.5 Intramolecular lyases

5.6 Isomerases altering macromolecular conformation

5.6.1 Enzymes altering polypeptide conformation or assembly

5.6.2 Enzymes altering nucleic acid conformation

5.99 Other isomerases

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Release 2023.1 (January 2023)