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-Structure paper
| タイトル | Molecular mechanism of a triazole-containing inhibitor of DNA gyrase. |
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| ジャーナル・号・ページ | iScience, Vol. 27, Issue 10, Page 110967, Year 2024 |
| 掲載日 | 2024年10月18日 |
著者 | Antoine Gedeon / Emilie Yab / Aurelia Dinut / Elodie Sadowski / Estelle Capton / Aurore Dreneau / Julienne Petit / Bruna Gioia / Catherine Piveteau / Kamel Djaout / Estelle Lecat / Anne Marie Wehenkel / Francesca Gubellini / Ariel Mechaly / Pedro M Alzari / Benoît Deprez / Alain Baulard / Alexandra Aubry / Nicolas Willand / Stéphanie Petrella / ![]() |
| PubMed 要旨 | Antimicrobial resistance remains a persistent and pressing public health concern. Here, we describe the synthesis of original triazole-containing inhibitors targeting the DNA gyrase, a well-validated ...Antimicrobial resistance remains a persistent and pressing public health concern. Here, we describe the synthesis of original triazole-containing inhibitors targeting the DNA gyrase, a well-validated drug target for developing new antibiotics. Our compounds demonstrate potent antibacterial activity against various pathogenic bacteria, with notable potency against (). Moreover, one hit, compound , named BDM71403, was shown to be more potent in than the NBTI of reference, gepotidacin. Mechanistic enzymology assays reveal a competitive interaction of BDM71403 with fluoroquinolones within the gyrase cleavage core. High-resolution cryo-electron microscopy structural analysis provides detailed insights into the ternary complex formed by the gyrase, double-stranded DNA, and either BDM71403 or gepotidacin, providing a rational framework to understand the superior efficacy on . This study highlights the potential of triazole-based scaffolds as promising gyrase inhibitors, offering new avenues for drug development in the fight against antimicrobial resistance. |
リンク | iScience / PubMed:39429773 / PubMed Central |
| 手法 | EM (単粒子) |
| 解像度 | 2.8 - 3.2 Å |
| 構造データ | EMDB-19777, PDB-8s7k: EMDB-19782, PDB-8s7o: |
| 化合物 | ![]() ChemComp-MG: ![]() ChemComp-JHN: ![]() PDB-1h5q: |
| 由来 |
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キーワード | DNA BINDING PROTEIN / Mycobacterium tuberculosis / DNA gyrase / Novel Bacterial Topoisomerase II Inhibitors / antibiotic resistance / structure-activity relation |
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