1. Oxidoreductases

 2. Transferases

 3. Hydrolases

 4. Lyases

 5. Isomerases

 6. Ligases

 7. Translocases

   7.1  Catalysing the translocation of protons

     7.1.1  Linked to oxidoreductase reactions

       7.1.1.1  proton-translocating NAD(P)+ transhydrogenase

       7.1.1.2  NADH:ubiquinone reductase (H+-translocating)

       7.1.1.3  ubiquinol oxidase (H+-transporting)

       7.1.1.4  caldariellaquinol oxidase (H+-transporting)

       7.1.1.5  menaquinol oxidase (H+-transporting)

       7.1.1.6  plastoquinol---plastocyanin reductase

       7.1.1.7  quinol oxidase (electrogenic, proton-motive force generating)

       7.1.1.8  quinol---cytochrome-c reductase

       7.1.1.9  cytochrome-c oxidase

       7.1.1.10  ferredoxin---quinone oxidoreductase (H+-translocating)

       7.1.1.11  ferredoxin---NAD+ oxidoreductase (H+-transporting)

       7.1.1.12  succinate dehydrogenase (electrogenic, proton-motive force generating)

     7.1.2  Linked to the hydrolysis of a nucleoside triphosphate

     7.1.3  Linked to the hydrolysis of diphosphate

   7.2  Catalysing the translocation of inorganic cations

   7.3  Catalysing the translocation of inorganic anions and their chelates

   7.4  Catalysing the translocation of amino acids and peptides

   7.5  Catalysing the translocation of carbohydrates and their derivatives

   7.6  Catalysing the translocation of other compounds