Modular evolution of the Glx-tRNA synthetase family--rooting of the evolutionary tree between the bacteria and archaea/eukarya branches.

@article{Siatecka1998ModularEO,
  title={Modular evolution of the Glx-tRNA synthetase family--rooting of the evolutionary tree between the bacteria and archaea/eukarya branches.},
  author={Mirosława Siatecka and Maria Rożek and Jan Barciszewski and Marc Mirande},
  journal={European journal of biochemistry},
  year={1998},
  volume={256 1},
  pages={
          80-7
        }
}
The accuracy of protein biosynthesis generally rests on a family of 20 aminoacyl-tRNA synthetases, one for each amino acid. In bacteria, archaea and eukaryotic organelles, the formation of Gln-tRNA(Gln) is prevalently accomplished by a transamidation pathway, aminoacylation of tRNA(Gln) with Glu by glutamyl-tRNA synthetase (GluRS) followed by a tRNA-dependent transamidation of Glu from Glu-tRNA(Gln). A few bacterial species, such as Escherichia coli, possess a glutaminyl-tRNA synthetase (GlnRS… CONTINUE READING
BETA

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