abstract |
To provide a protein having a novel carbohydrate oxidase activity that can be used in various applications. The present invention provides a protein having the following physicochemical properties. (1) Action: Oxidizes sugar to produce sugar acid. (2) Substrate specificity: acts on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, cellobiose. (3) [Km value of glucose] / [Km value of maltose] ≦ 1. |