Translations:Biotin/2/en: Difference between revisions

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Message definition (Biotin)
==Chemical description==
Biotin is classified as a [[heterocyclic compound]], with a sulfur-containing [[tetrahydrothiophene]] ring fused to a [[ureido]] group. A C5-carboxylic acid side chain is appended to the former ring. The ureido ring, containing the −N−CO−N− group, serves as the carbon dioxide carrier in carboxylation reactions. Biotin is a [[coenzyme]] for five [[carboxylase]] enzymes, which are involved in the [[catabolism]] of [[amino acid]]s and [[fatty acid]]s, synthesis of [[fatty acid]]s, and [[gluconeogenesis]]. [[Biotinylation]] of [[histone]] proteins in nuclear [[chromatin]] plays a role in chromatin stability and gene expression.

Chemical description

Biotin is classified as a heterocyclic compound, with a sulfur-containing tetrahydrothiophene ring fused to a ureido group. A C5-carboxylic acid side chain is appended to the former ring. The ureido ring, containing the −N−CO−N− group, serves as the carbon dioxide carrier in carboxylation reactions. Biotin is a coenzyme for five carboxylase enzymes, which are involved in the catabolism of amino acids and fatty acids, synthesis of fatty acids, and gluconeogenesis. Biotinylation of histone proteins in nuclear chromatin plays a role in chromatin stability and gene expression.

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