thioesters


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.

Look at other dictionaries:

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  • 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

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  • 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


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