Classification of enzymes
Enzymes can be
classified by the kind of chemical reaction catalyzed.
1.
Addition or removal of water
A.
Hydrolases - these include esterases, carbohydrases, nucleases,
deaminases, amidases, and proteases
2.
Transfer of electrons
A.
Oxidases
B.
Dehydrogenases
3.
Transfer of a radical
A.
Transglycosidases - of monosaccharides
B.
Transphosphorylases
and phosphomutases - of a phosphate group
C.
Transaminases - of amino group
D.
Transmethylases - of a methyl group
E.
Transacetylases - of an acetyl group
4.
Splitting or forming a C-C bond
A.
Desmolases
5.
Changing geometry or structure of a molecule
A.
Isomerases
6.
Joining two molecules through hydrolysis of pyrophosphate bond in
ATP or other tri-phosphate
A.
Ligases
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