| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for efficiently producing α-1,4-glucan from glucose. SOLUTION: The method includes a step of producing α-1,4-glucan by reacting a solution containing glucose, a polyphosphoric acid, a primer, a polyphosphate glucokinase, a phosphoglucomutase and α-1,4-glucan phosphorylase. The glucose concentration in the solution at the start of the reaction is 100-2,000 mM, the pH of the solution at the start of the reaction is 5.7-12, and the ratio (Pi/Glc) of the molar concentration of the free phosphoric acid to the molar concentration of the glucose in the solution at the start of the reaction is ≤0.15. COPYRIGHT: (C)2010,JPO&INPIT
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