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Structure Guided Lead Generation toward Nonchiral M. tuberculosis Thymidylate Kinase Inhibitors

Abstract : In recent years, thymidylate kinase (TMPK), an enzyme indispensable for bacterial DNA biosynthesis, has been pursued for the development of new antibacterial agents including against Mycobacterium tuberculosis, the causative agent for the widespread infectious disease tuberculosis (TB). In response to a growing need for more effective anti-TB drugs, we have built upon our previous efforts toward the exploration of novel and potent Mycobacterium tuberculosis TMPK ( MtTMPK) inhibitors, and reported here the design of a novel series of non-nucleoside inhibitors of MtTMPK. The inhibitors display hitherto unexplored interactions in the active site of MtTMPK, offering new insights into structure-activity relationships. To investigate the discrepancy between enzyme inhibitory activity and the whole-cell activity, experiments with efflux pump inhibitors and efflux pump knockout mutants were performed. The minimum inhibitory concentrations of particular inhibitors increased significantly when determined for the efflux pump mmr knockout mutant, which partly explains the observed dissonance
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https://hal-pasteur.archives-ouvertes.fr/pasteur-01968413
Contributor : Hélène Munier-Lehmann <>
Submitted on : Wednesday, January 2, 2019 - 4:58:46 PM
Last modification on : Friday, May 29, 2020 - 2:36:06 AM

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Lijun Song, Romain Merceron, Begoña Gracia, Ainhoa Lucía Quintana, Martijn Risseeuw, et al.. Structure Guided Lead Generation toward Nonchiral M. tuberculosis Thymidylate Kinase Inhibitors. Journal of Medicinal Chemistry, American Chemical Society, 2018, 61 (7), pp.2753-2775. ⟨10.1021/acs.jmedchem.7b01570⟩. ⟨pasteur-01968413⟩

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