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Maltase is an informal name for a family of enzymes that catalyze the hydrolysis of disaccharide maltose into two simple sugars of glucose. Maltases are found in plants, bacteria, yeast, humans, and other vertebrates.
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 the C-terminal domain has a broader substrate specificity and activity against glucose oligomers ...
MGAM is the "maltase-glucoamylase", found on the intestine brush border. GAA is the "acid alpha-glucosidase", found in the lysosome. GANC, "neutral alpha-glucosidase C".
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 ]
Glucan 1,4-α-glucosidase (EC 3.2.1.3, glucoamylase, amyloglucosidase, γ-amylase, lysosomal α-glucosidase, acid maltase, exo-1,4-α-glucosidase, glucose amylase, γ-1,4-glucan glucohydrolase, acid maltase, 1,4-α-D-glucan glucohydrolase) is an enzyme located on the brush border of the small intestine with systematic name 4-α-D-glucan glucohydrolase.
Maltose can be broken down to glucose by the maltase enzyme, which catalyses the hydrolysis of the glycosidic bond. [ citation needed ] Maltose in aqueous solution exhibits mutarotation , because the α and β isomers that are formed by the different conformations of the anomeric carbon have different specific rotations , and in aqueous ...
The enzymes that are secreted in the stomach are gastric enzymes. The stomach plays a major role in digestion, both in a mechanical sense by mixing and crushing the food, and also in an enzymatic sense, by digesting it. The following are enzymes produced by the stomach and their respective function: Pepsin is the main gastric enzyme.
α-Amylase is an enzyme (EC 3.2.1.1; systematic name 4-α-D-glucan glucanohydrolase) that hydrolyses α bonds of large, α-linked polysaccharides, such as starch and glycogen, yielding shorter chains thereof, dextrins, and maltose, through the following biochemical process: [2]