Transfructosylation Catalyzed by β-Fructofurariosidase I from Arthrobacter sp. K-1(Biological Chemistry)

概要

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Transfructosylation of the β-fructofuranosidase I from Arthrobacter sp. K-1 was investigated. This enzyme catalyzed both transfructosylation and hydrolytic action, when it was incubated with sucrose alone. But in the presence of a suitable acceptor such as D-xylose and lactose, the enzyme catalyzed mostly transfructosylation and transferred the fructose residue preferentially to the acceptor. The enzyme had broad acceptor specificities. D-Xylose, D-galactose, L-sorbose, D- and L-fucose, D- and L-arabinose, maltose, isomaltose, cellobiose, lactose, melibiose, xylobiose, maltotriose, methyl β-glucoside, and galactoside were efficient acceptors in the transfructosylation. On the other hand, D-ribose, L-rhamnose, D-mannose, 2-deoxy-D-glucose, D-galactosamine, D-galacturonic acid, and 1-kestose were not efficient acceptors. Various primary alcohols, polyhydric alcohols including some sugar alcohols, and some glycosides acted as acceptors, but secondary alcohols with one hydroxyl group such as 2-propanol and 2-butanol were not effective as acceptors.
社団法人日本農芸化学会の論文
1990-10-23