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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]
An amylase (/ ˈ æ m ɪ l eɪ s /) is an enzyme that catalyses the hydrolysis of starch (Latin amylum) into sugars.Amylase is present in the saliva of humans and some other mammals, where it begins the chemical process of digestion.
Alpha-amylase 1 is an enzyme that in humans is encoded by the AMY1A gene. [3] This gene is found in many organisms. Amylases are secreted proteins that hydrolyze 1,4-alpha-glucoside bonds in oligosaccharides and polysaccharides, and thus catalyze the first step in digestion of dietary starch and g
Pancreatic alpha-amylase is an enzyme that in humans is encoded by the AMY2A gene. [ 5 ] [ 6 ] Amylases are secreted proteins that hydrolyze 1,4-alpha-glucoside bonds in oligosaccharides and polysaccharides, and thus catalyze the first step in digestion of dietary starch and glycogen.
Alpha-amylase 2B is an enzyme that in humans is encoded by the AMY2B gene. [5] [6] Function. Amylases are secreted proteins that hydrolyze 1,4-alpha-glucoside] bonds ...
β-Amylase: EC 3.2.1.2 : is a plant enzyme to break down starch: γ-Amylase: EC 3.2.1.3 : is a digestive enzyme Cellulase # EC 3.2.1.4 : breaks down cellulose from ...
Amylose A is a parallel double-helix of linear chains of glucose. Amylose is made up of α(1→4) bound glucose molecules. The carbon atoms on glucose are numbered, starting at the aldehyde (C=O) carbon, so, in amylose, the 1-carbon on one glucose molecule is linked to the 4-carbon on the next glucose molecule (α(1→4) bonds). [3]
A crystal structure has been determined for tendamistat, the 74-amino acid inhibitor produced by Streptomyces tendae that targets a wide range of mammalian alpha-amylases. [3] The binding of tendamistat to alpha-amylase leads to the steric blockage of the active site of the enzyme.