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A modular, reusable biocatalytic flow system for UDP-GlcNAc production

Roberts, Tom L.; Dolan, Jonathan P.; Miller, Gavin J.; Lima, Marcelo A. D.; Cosgrove, Sebastian C.

Authors

Tom L. Roberts



Abstract

We report here the continuous flow synthesis of a high-value sugar nucleotide. Immobilisation of enzymes onto solid carriers permitted transfer of the biocatalysts into packed bed reactors to realise a continuous biocatalytic platform for the synthesis of uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) on 100 mg scale, with capacity for multiple reuses. The modular continuous flow approach described here represents a significant, up to 11-fold, improvement in space time yield (STY) when compared to batch studies, along with preventing product induced enzyme inhibition, reducing the need for an additional enzyme to break down inorganic pyrophosphate (PPi). The modular nature of the system has also allowed tailored conditions to be applied to each enzyme, overcoming issues relating to thermal stability. This development presents a platform approach towards a more efficient, continuous synthesis of important glycan targets including glycoproteins, specific oligosaccharide sequences and glycosylated drug targets.

Citation

Roberts, T. L., Dolan, J. P., Miller, G. J., Lima, M. A. D., & Cosgrove, S. C. (2025). A modular, reusable biocatalytic flow system for UDP-GlcNAc production. Reaction Chemistry and Engineering, https://doi.org/10.1039/d5re00127g

Journal Article Type Article
Acceptance Date May 8, 2025
Online Publication Date May 9, 2025
Publication Date May 9, 2025
Deposit Date May 19, 2025
Publicly Available Date May 19, 2025
Journal Reaction Chemistry & Engineering
Print ISSN 2058-9883
Electronic ISSN 2058-9883
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.1039/d5re00127g
Public URL https://keele-repository.worktribe.com/output/1238477
Publisher URL https://pubs.rsc.org/en/content/articlelanding/2025/re/d5re00127g

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