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发明授权
CN101044244B 异环麦芽寡糖和异环麦芽寡糖合酶以及其制备方法和用途 失效 - 权利终止

异环麦芽寡糖和异环麦芽寡糖合酶以及其制备方法和用途
摘要：
本发明提供以葡萄糖作为组成糖的非还原性糖，提供在扩大非还原性糖的选择范围的同时生成该非还原性糖的新酶和它们的生成方法和制备方法，编码该酶的DNA，含有该DNA的重组DNA和转化体，以及含有该非还原性糖的组合物及其用途作为课题，通过提供具有由通式1表示的结构的异环麦芽寡糖和生成该糖的新型异环麦芽寡糖合酶和它们的生成方法和制备方法，以及编码该酶的DNA和含有该DNA的重组DNA和转化体，以及含有异环麦芽寡糖或含有该糖的糖类的组合物及其用途，从而解决上述课题。通式1环{→6)-[α-D-Glcp-(1→4)]n-α-D-Glcp-(1→)}(n是指4或5)。
摘要（英）：

The present invention have objects to provide an option of non-reducing saccharide by providing a novel non-reducing saccharide composed of glucose as constituents and to provide a novel enzyme forming the non-reducing saccharide, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the non-reducingsaccharide, and uses thereof. The present invention solves the above objects by providing an isocyclomaltooligosaccharide(s) having a structure represented by General Formula 1, a novel isocyclomaltooligosaccharide-forming enzyme, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the isocyclomaltooligosaccharide (s) or a saccharide composition comprising the same, and uses thereof. General Formula 1 Cyclo { 6}-[+--D-Glc p -(1 4)] n -+--D-Glc p -(1 ) (In General Formula 1, ''n'' means a numberof 4 or 5.

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