ENZYMES CLASSIFICATION IN BIOCHEMISTRY

Enzymes are classified according the reaction they catalyze. The six classes are:

1 .        Oxidoreductases

2.                                    Tranferases

3.                                    Hydrolases

4.                                    Lyases

5.                                    Isomerases

6.                                    Ligases
Examples

1.            Alcohol   dehydrogenase:   An  oxidoreductase   converting   alcohols  to

2.            aldehydes/ketones.

3.            Aminotransferases: Transferases catalyzing the amino acid degradation
by removing amino groups.

3.         Pyruvate decarbotylase: A lyase that removes €02 from pyruvate.
Amj Hum Genet. 1971 September; 23(5): 513-532. PmCID: PmC1706762.

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