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

3.4 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

5.2.1 cis-trans Isomerases (only sub-subclass identified to date)

5.3 Intramolecular oxidoreductases

5.3.1 Interconverting aldoses and ketoses, and related compounds

5.3.2 Interconverting keto- and enol-groups

5.3.3 Transposing C=C bonds

5.3.4 Transposing S-S bonds

5.3.99 Other intramolecular oxidoreductases

5.4 Intramolecular transferases

5.5 Intramolecular lyases

5.6 Isomerases altering macromolecular conformation

5.99 Other isomerases

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Release 2023.1 (January 2023)