Hydrolysis of Cellulose and Amylose:Glycolipid Enzyme Models. VI.
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Various glycolipids differing in sugar residue content were synthesized and used for the hydrolysis of cellulose and amylose. The effects of a sugar residue on hydrolytic activity were assessed kinetically. All glycolipids hydrolyzed carbohydrates, the extent of hydrolysis depending on the configuration of hydroxyl groups of glycolipids. The hydrolytic activity of an indirect-type glycolipid was shown to exceed that of a direct-type glycolipid. The capacity for recognizing substrates of cellulose and amylose by indirect-type glycolipids, was the same as that of the corresponding direct-type glycolipids. The recognition of α-and β-1, 4-glycoside bonds was related to the stereochemistry of the hydroxyl groups on C-2 and C-3 of sugar residues of glycolipids.