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Alpha-glucosidase inhibitors (AGIs) are oral anti-diabetic drugs used for diabetes mellitus type 2 that work by preventing the digestion of carbohydrates (such as starch and table sugar). They are found in raw plants/herbs such as cinnamon and bacteria (containing the inhibitor acarbose). [1][2] Carbohydrates are normally converted into simple ...
It is defined as "catalysis of the hydrolysis of terminal, non-reducing alpha-linked alpha-D-glucose residue with release of alpha-D-glucose." In this sense, "alpha-glucosidase" can encompass a wide range of enzyme activitiess, differing by the linkage of their terminal (1→3, 1→4, or 1→6), the specific identity of their substrate (sucrose ...
Function. Alpha-glucosidases are enzymes involved in breaking down complex carbohydrates such as starch and glycogen into their monomers. [2] They catalyze the cleavage of individual glucosyl residues from various glycoconjugates including alpha- or beta-linked polymers of glucose. This enzyme convert complex sugars into simpler ones.
Enzyme activity. Enzyme activity is a measure of the quantity of active enzyme present and is thus dependent on various physical conditions, which should be specified. It is calculated using the following formula: where. = Enzyme activity. = Moles of substrate converted per unit time. = Rate of the reaction. = Reaction volume.
Alpha-glucosidase inhibitors are a class of diabetes drugs, however, they are technically not hypoglycemic agents because they do not have a direct effect on insulin secretion or sensitivity. These agents slow the digestion of starch in the small intestine, such that glucose from the starch enters the bloodstream at a slower rate, and can be ...
Maltase-glucoamylase, intestinal is an enzyme that in humans is encoded by the MGAM gene. [5][6] Maltase-glucoamylase is an alpha-glucosidase digestive enzyme. It consists of two subunits with differing substrate specificity. Recombinant enzyme studies have shown that its N-terminal catalytic domain has highest activity against maltose, while ...
Glycoside hydrolase. A Pancreatic alpha-Amylase 1HNY, a glycoside hydrolase. In biochemistry, glycoside hydrolases (also called glycosidases or glycosyl hydrolases) are a class of enzymes which catalyze the hydrolysis of glycosidic bonds in complex sugars. [1][2] They are extremely common enzymes, with roles in nature including degradation of ...
Acid alpha-glucosidase, also called acid maltase, [5] is an enzyme that helps to break down glycogen in the lysosome. It is functionally similar to glycogen debranching enzyme, but is on a different chromosome, processed differently by the cell and is located in the lysosome rather than the cytosol. [6] In humans, it is encoded by the GAA gene. [5]