•There are 6 major classes of enzymes:
•
1.Oxidoreductases, which are involved in oxidation, reduction, and
electron or proton transfer reactions;
• 2.Transferases,
catalyzing reactions in which groups are transferred;
• 3.Hydrolases that
cleave various covalent bonds by hydrolysis;
• 4.Lyases catalyze
reactions forming or breaking double bonds;
• 5.Isomerases catalyze
isomerization reactions;
• 6.Ligases join
constituents together covalently.
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