The Important Role of Halogen Bond in Substrate Selectivity of Enzymatic Catalysis.

The Important Role of Halogen Bond in Substrate Selectivity of Enzymatic Catalysis.
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卤素键在酶催化底物选择性中的重要作用

DOI:
10.1038/srep34750
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发表时间:
2016-10-06
期刊:
影响因子:
4.6
通讯作者:
Wei D
Wei D
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jiang S;Zhang L;Cui D;Yao Z;Gao B;Lin J;Wei D

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卤键在药物发现、设计和临床试验中的应用非常广泛,但在药物生物合成中却被忽视。本文研究了卤键在腈水解酶催化合成邻、Meta、对氯苯乙酸中的作用。卤键的不同分布引起底物结合构象的变化,影响底物选择性。通过改造卤素键的相互作用,改变了酶的底物选择性,表明卤素键在生物合成中起着重要的作用,可以作为一种高效、可靠的工具用于酶促药物合成。
The use of halogen bond is widespread in drug discovery, design, and clinical trials, but is overlooked in drug biosynthesis. Here, the role of halogen bond in the nitrilase-catalyzed synthesis of ortho-, meta-, and para-chlorophenylacetic acid was investigated. Different distributions of halogen bond induced changes of substrate binding conformation and affected substrate selectivity. By engineering the halogen interaction, the substrate selectivity of the enzyme changed, with the implication that halogen bond plays an important role in biosynthesis and should be used as an efficient and reliable tool in enzymatic drug synthesis.
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