PKZ18 is an antibiotic that specifically targets glycyl-tRNA synthetase mRNA, inhibiting both transcription and translation in bacterial cells. It demonstrates potent antibacterial activity against Gram-positive bacteria, with minimum inhibitory concentration (MIC) values ranging from 32 to 64 μg/mL. By selectively binding to stem I specifier loops, PKZ18 effectively reduces T-box transcriptional read-through of related genes, thus disrupting the essential codon-anticodon interaction necessary for tRNA binding. This mechanism also enhances its robustness against resistance development.
PKZ18 is an antibiotic that specifically targets glycyl-tRNA synthetase mRNA, inhibiting both transcription and translation in bacterial cells. It demonstrates potent antibacterial activity against Gram-positive bacteria, with minimum inhibitory concentration (MIC) values ranging from 32 to 64 μg/mL. By selectively binding to stem I specifier loops, PKZ18 effectively reduces T-box transcriptional read-through of related genes, thus disrupting the essential codon-anticodon interaction necessary for tRNA binding. This mechanism also enhances its robustness against resistance development.
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