A dynamic understanding of cytochrome P450 structure and function through solution NMR.

A dynamic understanding of cytochrome P450 structure and function through solution NMR.
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通过溶液NMR动态了解细胞色素P450的结构和功能。

DOI:
10.1016/j.copbio.2020.11.007
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发表时间:
2021-06
影响因子:
7.7
通讯作者:
Pochapsky TC
Pochapsky TC
中科院分区:
工程技术1区
文献类型:
--
作者:
Pochapsky TC

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许多经济上重要的生物合成包括在未活性炭上的区域特异性和立体特异性氧化。这种氧化通常由细胞色素P450单加氧酶催化,细胞色素P450单加氧酶是一种含血红素的酶,它能激活分子氧,同时选择性地结合和定向底物进行反应。尽管P450催化的反应过多,P450折叠是高度保守的,静态结构往往不足以表征有助于特异性的构象状态。高分辨率溶液核磁共振(NMR)提供了对P450所需的动态过程和构象变化的深入了解,以实现这些反应所需的特异性和效率的结合。
Many economically important biosyntheses incorporate regiospecific and stereospecific oxidations at unactivated carbons. Such oxidations are commonly catalyzed by cytochrome P450 monooxygenases, heme-containing enzymes that activate molecular oxygen while selectively binding and orienting the substrate for reaction. Despite the plethora of P450-catalyzed reactions, the P450 fold is highly conserved, and static structures are often insufficient for characterizing conformational states that contribute to specificity. High-resolution solution nuclear magnetic resonance (NMR) offers insights into dynamic processes and conformational changes that are required of a P450 in order to attain the combination of specificity and efficiency required for these reactions.
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