- thioesters
- In enzymology, an ester where the oxygen bridging the substrate or product carbonyl carbon and the enzyme is replaced by a sulfur (usually through a Cys residue); a high-energy intermediate in many enzymes.
Medical dictionary. 2011.
thioesters
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Thioester — Thioesters are compounds resulting from the bonding of sulfur with an acyl group with the general formula R S CO R . They are the product of esterification between a carboxylic acid and a thiol (as opposed to an alcohol in regular esters).In… … Wikipedia
lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… … Universalium
Coenzyme A — « CoA » redirige ici. Pour les autres significations, voir COA. Coenzyme A … Wikipédia en Français
Composé organo-sulfuré — Un composé organo sulfuré est un composé organique qui comporte au moins un atome de soufre. Les composés organo sulfurés sont souvent associés à une mauvaise odeur mais beaucoup de composés les plus doux sont des dérivés organo sulfurés. Le… … Wikipédia en Français
Native chemical ligation — or NCL is the most widely used form of chemical ligation, a technique for constructing a large polypeptide from two or more unprotected peptides. In native chemical ligation a peptide containing a C terminal thioester reacts with another peptide… … Wikipedia
Organosulfur compounds — are organic compounds that contain sulfur. They are often associated with foul odours, but many of the sweetest compounds known are organosulfur derivatives. Nature abounds with organosulfur compounds sulfur is essential for life. Two of the 20… … Wikipedia
Chemical ligation — is a set of techniques used for creating long peptide or protein chains. It is the second step of a convergent approach. First, smaller peptides containing 30 50 amino acids are prepared by conventional chemical peptide synthesis. Then, they are… … Wikipedia
Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… … Wikipedia
Hydrolase — Cristal de lysozyme Les hydrolases constituent une classe d enzymes qui catalysent les réactions d hydrolyse de molécules suivant la réaction générale : R R + H2O ⇌ R OH + R H On y trouve par exemple les estérases, qui hydrolysent les … Wikipédia en Français
Thioester — Structure générale d un thioester Les thioesters sont des composés résultant de la condensation d un sulfure avec un groupement acyle. La formule générale d un thioester est R (C=O) S R . Ils sont le produit de l esterification d un acide… … Wikipédia en Français
