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A machine learning-based workflow for transaminase selection
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DOI：10.1039/D6SC00852F.png)
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Abstract
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Transaminases can be strategically used in medicinal chemistry for the synthesis of chiral amine building blocks in a straightforward manner that alleviates the need for chiral preparative separations. However; selection of the commercial transaminase variant to use for a given substrate can be a challenging task without prior knowledge or experience with their reactivity. Herein; we describe the construction of a dataset of 336 transaminase reactions using high-throughput experimentation (HTE) and the subsequent development of machine learning (ML) models to predict enzyme activities and selectivities. Our results demonstrate the ability of these models to predict substrate conversions and top-k enzyme selection for selectivity more accurately than baseline experiments. Finally; we demonstrate prospective use of the modeling workflow to select the transaminase to use for a held-out dataset of cyclic ketones; and the preparation of a small set of chiral amines of high-relevance to medicinal chemistry.
Keywords:
transaminase
machine learning
chiral amines
high-throughput experimentation
enzyme selection
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Cited Papers
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