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EC 1: Oxidoreductases
EC 2: Transferases
EC 3: Hydrolases
EC 4: Lyases
EC 5: Isomerases
EC 6: Ligases
Enzymes in industry
EC 1. Oxidoreductases, Nomenclature
Oxidoreductases definitionOxidoreductases - enzymes that transfer electron from molecule to another during oxidation reaction:
A + B- -> A- + B
This is an ideal scheme for oxidation reaction, but in nature this reaction also involve atom transfer. Usually this oxidation process involves removing of the hydrogen atom. In some rare cases the oxidation reaction involves the oxygen molecules (O2), then enzymes are named oxidase
Oxidoreductases and dehydrogenases nomenclatureAccording to Nomenclature recommendations form Nomenclature Committee of the International Union of Biochemistry and Molecular Biology (NC-IUBMB), the classical name is donor:acceptor oxidoreductase, but the name dehydrogenase is also acceptable. It is also possible to use name acceptor reductase, but all these classifications can be difficult in cases where many different acceptors can be utilize by the same enzyme.
EC number classification of OxidoreductasesThis classification is based on substrate utilised by enzymes.
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