| abstract |
An object of the present invention is to provide a novel cyclic saccharide containing D-glucose as a constituent saccharide, a novel enzyme for producing the cyclic saccharide, a method for their preparation and use, wherein 4 molecules of D-glucose are α-1,6 glucosidic bonds The above problems are solved by providing cycloisomaltotetraose, cycloisomaltotetraose synthase, DNA encoding the enzyme, and methods and uses thereof having a structure linked in a cyclic manner through the |