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    Discovery and Development of a Small Molecule Library with Lumazine Synthase Inhibitory Activity

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    Issue Date
    2009
    Author
    Talukdar, Arindam
    Breen, Megan
    Bacher, Adelbert
    Illarionov, Boris
    Fischer, Markus
    Georg, Gunda I.
    Ye, Qi-Zhuang
    Cushman, Mark
    Publisher
    American Chemical Society
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Rights
    Per SHERPA/RoMEO 4/12/2017: Author's Pre-print: grey tick subject to Restrictions below, author can archive pre-print (ie pre-refereeing) Restrictions: Must obtain written permission from Editor Must not violate ACS ethical Guidelines Author's Post-print: grey tick subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) Restrictions: If mandated by funding agency or employer/ institution If mandated to deposit before 12 months, must obtain waiver from Institution/Funding agency or use AuthorChoice 12 months embargo Publisher's Version/PDF: cross author cannot archive publisher's version/PDF General Conditions: On author's personal website, pre-print servers, institutional website, institutional repositories or subject repositories Non-Commercial Must be accompanied by set statement (see policy) Must link to publisher version Publisher's version/PDF cannot be used
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    Abstract
    (E)-5-Nitro-6-(2-hydroxystyryl)pyrimidine-2,4(1H,3H)-dione (9) was identified as a novel inhibitor of Schizosaccharomyces pombe lumazine synthase by high-throughput screening of a 100,000 compound library. The Ki of 9 vs. Mycobacterium tuberculosis lumazine synthase was 95 μM. Compound 9 is a structural analog of the lumazine synthase substrate, 5-amino-6-(D-ribitylamino)-2,4-(1H,3H)pyrimidinedione (1). This indicates that the ribitylamino side chain of the substrate is not essential for binding to the enzyme. Optimization of the enzyme inhibitory activity through systematic structure modification of the lead compound 9 led to (E)-5-nitro-6-(4-nitrostyryl)pyrimidine-2,4(1H,3H)-dione (26), which has a Ki of 3.7 μM vs. M. tuberculosis lumazine synthase.
    URI
    http://hdl.handle.net/1808/23638
    DOI
    https://doi.org/10.1021/jo900238q
    Collections
    • Medicinal Chemistry Scholarly Works [206]
    Citation
    Talukdar, A., Breen, M., Bacher, A., Illarionov, B., Fischer, M., Georg, G., … Cushman, M. (2009). Discovery and Development of a Small Molecule Library with Lumazine Synthase Inhibitory Activity. The Journal of Organic Chemistry, 74(15), 5123–5134. http://doi.org/10.1021/jo900238q

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    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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