Article
Prevention of mis-aminoacylation of a dual-specificity aminoacyl-tRNA synthetase.
Journal of molecular biology - 1 Feb 2002
Lipman Richard S A, Wang Jinling, Sowers Kevin R, Hou Ya-Ming
Abstract excerpt
Accurate aminoacylation of tRNAs by aminoacyl-tRNA synthetase is essential for the fidelity of protein synthesis. For Methanococcus jannaschii tRNA(Pro), accuracy is difficult because the cognate prolyl-tRNA synthetase also recognizes and aminoacylates tRNA(Cys) with cysteine. We show here that the unmodified transcript of M. jannaschii tRNA(Pro) is indeed mis-acylated with cysteine. However, the origin of...
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