Constant Enzymatic in situ Production of H2O2 for an Unspecific Peroxygenase by an l–Amino Acid Oxidase

IF 4 2区 化学 Q2 CHEMISTRY, APPLIED Advanced Synthesis & Catalysis Pub Date : 2025-03-17 DOI:10.1002/adsc.202500105
Simon Last, Tobias Heinks, Niklas Dietz, Simon Koopmeiners, Gabriele Fischer von Mollard, Martin J. Weissenborn, Jan von Langermann
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Abstract

Unspecific Peroxygenases have been the subject of a lot of research in the recent past as they offer opportunities for green hydroxylation reactions using hydrogen peroxide (H2O2) as donor. A striking problem of UPOs is their low stability against their own co-substrate H2O2. In order to prevent the deactivation, we developed an enzyme cascade with an l-amino acid oxidase (LAAO) to produce hydrogen peroxide in situ at a constant low concentration, aiming for much higher lifespan and therefore longer working time of the enzyme. This way, we are able to convert a variety of substrates with conversion rates up to 95%.

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l -氨基酸氧化酶在非特异性过氧酶的持续酶原位生产H2O2
近年来,非特异性过氧酶一直是许多研究的主题,因为它们为使用过氧化氢(H<sub>2</sub>O<sub>2</sub>)作为供体进行绿色羟基化反应提供了机会。upo的一个突出问题是它们对自己的共底物H<;sub>2</sub>O<sub>2</sub>;的稳定性很低。为了防止这种失活,我们开发了一种与l -氨基酸氧化酶(LAAO)级联的酶在这种情况下产生过氧化氢<;/i>;在恒定的低浓度下,旨在提高酶的寿命,从而延长酶的工作时间。通过这种方式,我们能够以高达95%的转化率转换各种基材。
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来源期刊
Advanced Synthesis & Catalysis
Advanced Synthesis & Catalysis 化学-应用化学
CiteScore
9.40
自引率
7.40%
发文量
447
审稿时长
1.8 months
期刊介绍: Advanced Synthesis & Catalysis (ASC) is the leading primary journal in organic, organometallic, and applied chemistry. The high impact of ASC can be attributed to the unique focus of the journal, which publishes exciting new results from academic and industrial labs on efficient, practical, and environmentally friendly organic synthesis. While homogeneous, heterogeneous, organic, and enzyme catalysis are key technologies to achieve green synthesis, significant contributions to the same goal by synthesis design, reaction techniques, flow chemistry, and continuous processing, multiphase catalysis, green solvents, catalyst immobilization, and recycling, separation science, and process development are also featured in ASC. The Aims and Scope can be found in the Notice to Authors or on the first page of the table of contents in every issue.
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