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Salicin, a glycoside related to aspirin Chemical structure of oleandrin, a cardiac glycoside. In chemistry, a glycoside / ˈ ɡ l aɪ k ə s aɪ d / is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of ...
Cardiac glycosides are a class of organic compounds that increase the output force of the heart and decrease its rate of contractions by inhibiting the cellular sodium-potassium ATPase pump. [1] Their beneficial medical uses include treatments for congestive heart failure and cardiac arrhythmias ; however, their relative toxicity prevents them ...
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A glucoside is a glycoside that is chemically derived from glucose. Glucosides are common in plants, but rare in animals. Glucosides are common in plants, but rare in animals. Glucose is produced when a glucoside is hydrolysed by purely chemical means, or decomposed by fermentation or enzymes .
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Ouabain is a cardiac glycoside that acts by non-selectively inhibiting the Na + /K +-ATPase sodium–potassium ion pump. [2] Once ouabain binds to this enzyme, the enzyme ceases to function, leading to an increase of intracellular sodium.
Cerberin, as a cardiac glycoside, is seen as binding to and inhibiting the cellular Na + /K +-ATPase, because it binds to the alpha-subunit of the enzyme. This is the catalytic moiety. There are also a beta- and FXYD subunits. These two subunits influence the affinity of cerberin to Na + /K +-ATPase. The expression of the beta- and FXYD-subunit ...
Mutant glycoside hydrolases termed glycosynthases have been developed that can achieve the synthesis of glycosides in high yield from activated glycosyl donors such as glycosyl fluorides. Glycosynthases are typically formed from retaining glycoside hydrolases by site-directed mutagenesis of the enzymic nucleophile to some other less ...