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The broad-spectrum benzoxaborole antifungal AN2690 blocks protein synthesis by inhibiting leucyl-tRNA synthetase (LeuRS) via a novel oxaborole tRNA trapping mechanism in the editing site. Herein, one set of resistance mutations is at Asp487 outside the LeuRS hydrolytic editing pocket, in a region of unknown function. It is located within a eukaryote/archaea specific insert I4, which forms part of...
The aminoacyl-tRNA synthetases (aaRSs) are a family of enzymes well known for their role in protein synthesis. More recent investigations have discovered that this classic family of enzymes is actually capable of a broad repertoire of functions which not only impact protein synthesis, but extend to a number of other critical cellular activities. Specific aaRSs play roles in cellular fidelity, tRNA...
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