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Chinese Journal of Biotechnology ; (12): 868-878, 2020.
Article Dans Chinois | WPRIM | ID: wpr-826889

Résumé

2-Haloacid dehalogenases (EC 3.8.1.X) catalyze the hydrolytic dehalogenation of 2-haloacids, releasing halogen ions and producing corresponding 2-hydroxyacids. The enzymes not only degrade xenobiotic halogenated pollutants, but also show wide substrate profile and astonishing efficiency for enantiomer resolution, making them valuable in environmental protection and the green synthesis of optically pure chiral compounds. A variety of 2-haloacid dehalogenases have been biochemically characterized so far. Further studies have been made in protein crystal structures and catalytic mechanisms. Here, we review the recent progresses of 2-haloacid dehalogenases in their source, protein structures, reaction mechanisms, catalytic properties and application. We also suggest further research directions for 2-haloacid dehalogenase.


Sujets)
Catalyse , Halogénation , Hydrolases , Chimie , Métabolisme , Hydrolyse , Recherche , Spécificité du substrat
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