Egon Heuson

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The membrane bound enzyme monoamine oxidase exist in two splice variants designated A and B (MAO-A and MAO-B) and are key players in the oxidative metabolism of monoamines in mammalians. Despite their importance and being a prevalent target for the development of inhibitors as drugs, no systematic study of substrate specificity has been reported. In this(More)
In the course of a project devoted to the stereoselective synthesis of non-proteinogenic α-amino acids using α-transaminases (α-TA), we report the design and optimization of generic high-throughput continuous assays for the screening of α-TA libraries. These assays are based on the use of l- or d-cysteine sulfinic acid (CSA) as irreversible amino donor and(More)
Efficient bi-enzymatic cascades combining aldolases and α-transaminases were designed for the synthesis of γ-hydroxy-α-amino acids. These recycling cascades provide high stereoselectivity, atom economy, and an equilibrium shift of the transamination. l-syn or anti-4-hydroxyglutamic acid and d-anti-4,5-dihydroxynorvaline were thus prepared in 83-95% yield in(More)
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