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Publication Detail
One-pot, two-step transaminase and transketolase synthesis of L-gluco-heptulose from L-arabinose
Abstract
© 2018 The use of biocatalysis for the synthesis of high value added chemical building blocks derived from biomass is becoming an increasingly important application for future sustainable technologies. The synthesis of a higher value chemical from L-arabinose, the predominant monosaccharide obtained from sugar beet pulp, is demonstrated here via a transketolase and transaminase coupled reaction. Thermostable transketolases derived from Deinococcus geothermalis and Dei nococcus radiodurans catalysed the synthesis of L-gluco-heptulose from L-arabinose and β-hydroxypyruvate at elevated temperatures with high conversions. β-Hydroxypyruvate, a commercially expensive compound used in the transketolase reaction, was generated in situ from L-serine and α-ketoglutaric acid via a thermostable transaminase, also from Deinococcus geothermalis. The two steps were investigated and implemented in a one-pot system for the sustainable and efficient production of L-gluco-heptulose.
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Dept of Biochemical Engineering
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Dept of Chemistry
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Dept of Biochemical Engineering
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Dept of Chemistry
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Dept of Chemistry
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Dept of Biochemical Engineering
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