内页封面:细菌iii型铜酶中亚硝基形成活性选择器的鉴定(新)。化学26/2025)

Hoa Le Xuan, Felix Panis, Annette Rompel
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引用次数: 0

摘要

酶的特异性定义了功能:氨基酚氧化酶独特地将氨基酚转化为亚硝基酚,而酪氨酸酶将其转化为醌亚胺。这种区别是由铜(a)活性位点附近的一个关键氨基酸决定的。Annette Rompel等人在他们的研究文章(e202501560)中证明,将SgGriF中的天冬酰胺与sztyr中的异亮氨酸交换,可以有效地逆转酶的功能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Inside Front Cover: Identification of an Activity Selector for the Nitroso-Forming Activity in Bacterial Type-III Copper Enzymes (Angew. Chem. 26/2025)

Inside Front Cover: Identification of an Activity Selector for the Nitroso-Forming Activity in Bacterial Type-III Copper Enzymes (Angew. Chem. 26/2025)

Enzyme specificity defines function: aminophenol oxidase uniquely converts aminophenols into nitrosophenols, whereas tyrosinase transforms them into quinone imines. This distinction is governed by a key amino acid near the copper(A) active site. In their Research Article (e202501560), Annette Rompel et al. demonstrated that a single amino acid exchange—swapping asparagine in SgGriF with isoleucine in SzTYR—can effectively invert the enzymes’ functions.

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来源期刊
Angewandte Chemie
Angewandte Chemie 化学科学, 有机化学, 有机合成
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