ArticleScientific reports2021
Discovery of novel antituberculosis agents among 3-phenyl-5-(1-phenyl-1H-[1,2,3]triazol-4-yl)-[1,2,4]oxadiazole derivatives targeting aminoacyl-tRNA synthetases.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- Inhibitors of Mycobacterium tuberculosis methionyl-tRNA synthetase are sensitive to the mutations E24A and L293A in aminoacyl-adenylate binding site.Biotechnology letters · 2026Article
- The ZN domain acts as a dynamic switch coordinating multiple-step aminoacylation in bacterial leucyl-tRNA synthetase.Nucleic acids research · 2026Article
- Identification of novelFuture medicinal chemistry · 2025Article
- Article
- Polypharmacology-Driven Discovery and Design of Highly Selective, Dual and Multitargeting Inhibitors ofCurrent drug targets · 2024Review
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
Antibiotic resistance is a major problem of tuberculosis treatment. This provides the stimulus for the search of novel molecular targets and approaches to reduce or forestall resistance emergence in Mycobacterium tuberculosis. Earlier, we discovered a novel small-molecular inhibitor among 3-phenyl-5-(1-phenyl-1H-[1,2,3]triazol-4-yl)-[1,2,4]oxadiazoles targeting simultaneously two enzymes-mycobacterial leucyl-tRNA synthetase (LeuRS) and methionyl-tRNA synthetase (MetRS), which are promising molecular targets for antibiotic development. Unfortunately, the identified inhibitor does not reveal antibacterial activity toward M. tuberculosis. This study aims to develop novel aminoacyl-tRNA synthetase inhibitors among this chemical class with antibacterial activity toward resistant strains of M. tuberculosis. We performed molecular docking of the library of 3-phenyl-5-(1-phenyl-1H-[1,2,3]triazol-4-yl)-[1,2,4]oxadiazole derivatives and selected 41 compounds for investigation of their inhibitory activity toward MetRS and LeuRS in aminoacylation assay and antibacterial activity toward M. tuberculosis strains using microdilution assay. In vitro screening resulted in 10 compounds active against MetRS and 3 compounds active against LeuRS. Structure-related relationships (SAR) were established. The antibacterial screening revealed 4 compounds active toward M. tuberculosis mono-resistant strains in the range of concentrations 2-20 mg/L. Among these compounds, only one compound 27 has significant enzyme inhibitory activity toward mycobacterial MetRS (IC
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