The physiological target for LeuRS translational quality control is norvaline

The fidelity of protein synthesis depends on the capacity of aminoacyl‐tRNA synthetases (AARSs) to couple only cognate amino acid‐tRNA pairs. If amino acid selectivity is compromised, fidelity can be ensured by an inherent AARS editing activity that hydrolyses mischarged tRNAs. Here, we show that th...

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