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Screening-based discovery of drug-like O-GlcNAcase inhibitor scaffoldsScreening-based discovery of drug-like O-GlcNAcase inhibitor scaffolds
Structural highlights
FunctionOGA_CLOP1 Biological function unknown. Capable of hydrolyzing the glycosidic link of O-GlcNAcylated proteins. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedO-GlcNAcylation is an essential posttranslational modification in metazoa. Modulation of O-GlcNAc levels with small molecule inhibitors of O-GlcNAc hydrolase (OGA) is a useful strategy to probe the role of this modification in a range of cellular processes. Here we report the discovery of novel, low molecular weight and drug-like O-GlcNAcase inhibitor scaffolds by high-throughput screening. Kinetic and X-ray crystallographic analyses of the binding modes with human/bacterial O-GlcNAcases identify some of these as competitive inhibitors. Comparative kinetic experiments with the mechanistically related human lysosomal hexosaminidases reveal that three of the inhibitor scaffolds show selectivity towards human OGA. These scaffolds provide attractive starting points for the development of non-carbohydrate, drug-like OGA inhibitors. Screening-based discovery of drug-like O-GlcNAcase inhibitor scaffolds.,Dorfmueller HC, van Aalten DM FEBS Lett. 2010 Feb 19;584(4):694-700. Epub 2009 Dec 16. PMID:20026047[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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