One-pot conversion of levan prepared from Serratia levanicum NN to difructose anhydride IV by Arthrobacter nicotinovorans levan fructotransferase
2010
Kikuchi, H., Nippon Beet Sugar Manufacturing Co. Ltd., Obihiro (Japan) | Sakurai, H. | Nagura, T. | Aritsuka, T. | Tomita, F. | Yokota, A.
The newly established difructose anhydride IV (DFA IV) production system is comprised of the effective production of levan from sucrose by Serratia levanicum NN, the conversion of the levan into DFA IV by levan fructotransferase from Arthrobacter nicotinovorans GS-9, which is highly expressed in an Escherichia coli transformant, and a practical purification step. The chemical properties of DFA IV were also investigated.
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