Sugar Nucleotide-Modifying Enzymes

Author: Tanner M.E.

Source: Current Organic Chemistry, Volume 5, Number 2, February 2001 , pp. 169-192(24)

Publisher: Bentham Science Publishers

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Abstract:

Sugar nucleotides serve as the activated forms of carbohydrates that are used in a wide range of biosynthetic pathways. Instead of building up the sugar nucleotide from the free sugar itself, nature often chooses to modify the donor portion of a pre-existing sugar nucleotide in a biosynthetically efficient manner. In doing so a rich variety of catalytic strategies are employed and this review focuses on recent mechanistic and structural studies of the sugar nucleotide-modifying enzymes. The review is organized around the types of reactions catalyzed and contains the following sections Epimerases/Mutases/Decarboxylases, Eliminations and Substitutions, Oxidation and Reduction, and Substitutions on the Periphery of Sugar Nucleotides.

Keywords: Sugar Nucleotide; Modifying Enzymes; biosynthetic pathway; Decarboxylase; Dehydratases; Branched changed; UDP glucose; MurA reactio

Language: English

Document Type: Review article

DOI: http://dx.doi.org/10.2174/1385272013375643

Publication date: 2001-02-01