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- W4376278601 endingPage "875" @default.
- W4376278601 startingPage "875" @default.
- W4376278601 abstract "Building blocks with amine functionality are crucial in the chemical industry. Biocatalytic syntheses and chemicals derived from renewable resources are increasingly desired to achieve sustainable production of these amines. As a result, renewable materials such as furfurals, especially furfurylamines like 5-(hydroxymethyl)furfurylamine (HMFA) and 2,5-di(aminomethyl)furan (DAF), are gaining increasing attention. In this study, we identified four different amine transaminases (ATAs) that catalyze the reductive amination of 5-(hydroxymethyl)furfural (HMF) and 2,5-diformylfuran (DFF). We successfully immobilized these ATAs on glutaraldehyde-functionalized amine beads using multiple binding and on amine beads by site-selective binding of the unique Cα-formylglycine within an aldehyde tag. All immobilized ATAs were efficiently reused in five repetitive cycles of reductive amination of HMF with alanine as co-substrate, while the ATA from Silicibacter pomeroyi (ATA-Spo) also exhibited high stability for reuse when isopropylamine was used as an amine donor. Additionally, immobilized ATA-Spo yielded high conversion in the batch syntheses of HMFA and DAF using alanine (87% and 87%, respectively) or isopropylamine (99% and 98%, respectively) as amine donors. We further demonstrated that ATA-Spo was effective for the reductive amination of HMF with alanine or isopropylamine in continuous-flow catalysis with high conversion up to 12 days (48% and 41%, respectively)." @default.
- W4376278601 created "2023-05-13" @default.
- W4376278601 creator A5002023732 @default.
- W4376278601 creator A5004420169 @default.
- W4376278601 creator A5017997915 @default.
- W4376278601 creator A5031181844 @default.
- W4376278601 creator A5049062467 @default.
- W4376278601 creator A5076318697 @default.
- W4376278601 creator A5079737553 @default.
- W4376278601 creator A5082227921 @default.
- W4376278601 date "2023-05-11" @default.
- W4376278601 modified "2023-09-30" @default.
- W4376278601 title "Biosynthesis of Furfurylamines in Batch and Continuous Flow by Immobilized Amine Transaminases" @default.
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