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Trends Biochem Sci. 2002 Jul;27(7):344-51.

rRNA modifications and ribosome function.


The development of three-dimensional maps of the modified nucleotides in the ribosomes of Escherichia coli and yeast has revealed that most (approximately 95% in E. coli and 60% in yeast) occur in functionally important regions. These include the peptidyl transferase centre, the A, P and E sites of tRNA- and mRNA binding, the polypeptide exit tunnel, and sites of subunit-subunit interaction. The correlations suggest that many ribosome functions benefit from nucleotide modification.

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