title: Synthesis of lipid-linked arabinofuranose donors for glycosyltransferases.
abstract: Mycobacteria and corynebacteria use decaprenylphosphoryl-β-D-arabinofuranose (DPA) as a critical cell wall building block. Arabinofuranosyltransferases that process this substrate to mediate cell wall assembly have served as drug targets, but little is known about the substrate specificity of any of these enzymes. To probe substrate recognition of DPA, we developed a general and efficient synthetic route to β-D-arabinofuranosyl phosphodiesters. In this approach, the key glycosyl phosphodiester bond-forming reaction proceeds with high β-selectivity. In addition to its stereoselectivity, our route provides the means to readily access a variety of different lipid analogues, including aliphatic and polyprenyl substrates.
authors: Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.
authors: Matthew B
authors: MB
authors: Kraft
authors: Mario A
authors: MA
authors: Martinez Farias
authors: Laura L
authors: LL
authors: Kiessling
mesh_terms: D001089:Arabinose / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000737:chemistry; D002473:Cell Wall / Q000737:chemistry* / Q000378:metabolism; D006017:Glycolipids / Q000737:chemistry*; D016695:Glycosyltransferases / Q000737:chemistry* / Q000378:metabolism; D008055:Lipids / Q000737:chemistry*; D015394:Molecular Structure; D009161:Mycobacterium / Q000737:chemistry*; D011106:Polyisoprenyl Phosphates / Q000737:chemistry*; D013237:Stereoisomerism; D013379:Substrate Specificity
chemical_list: D006017:Glycolipids; D008055:Lipids; D011106:Polyisoprenyl Phosphates; C431714:arabinofuranose; C068697:decaprenyl phosphate; D001089:Arabinose; D016695:Glycosyltransferases
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