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Enzyme and microbial technology, 135, 109510-109510 (2020-03-10)
An enzyme, l-ribose isomerase (l-RI), mostly catalyzes the isomerization of l-ribose and l-ribulose. These so-called rare sugars are essential for the treatment of cancer and other viral diseases. In the present study, l-ribose isomerase produced from a bacterium, Mycetocola miduiensis
Single enzyme molecule assays on E. coli β-galactosidase were performed using a capillary electrophoresis-based method. Three types of assays were performed. The catalytic rate of 20 individual molecules was assayed in duplicate in the presence of 50 μM substrate. The
Journal of biotechnology, 259, 168-174 (2017-07-29)
A putative l-ribose isomerase (EC 5.3.1.B3, l-RI) gene of Actinotalea fermentans ATCC 43279 was chemically synthesized, subcloned into pET-21b vector, and then overexpressed in Escherichia coli. After 0.5mM IPTG induction at 20°C for 20h, the recombinant l-RI was highly expressed
In this study, organic acid could be used as co-catalyst for assisting solid acid SO42-/SnO2-argil to convert hemicellulose-derived D-xylose into furfural. The relationship between pKa of organic acid and turnover frequency (TOF) of co-catalysis with organic acid plus SO42-/SnO2-argil was
Journal of bioscience and bioengineering, 121(1), 1-6 (2015-06-03)
We biosynthesized 6-deoxy-L-talose, 6-deoxy-L-sorbose, 6-deoxy-L-gulose, and 6-deoxy-L-idose, which rarely exist in nature, from L-fucose by coupling and sequential enzymatic reactions. The first product, 6-deoxy-L-talose, was directly produced from L-fucose by the coupling reactions of immobilized D-arabinose isomerase and immobilized L-rhamnose
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