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Amino Acid Specificity in Translation

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Specialty Biochemistry
Date 2005 Nov 2
PMID 16260144
Citations 44
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Abstract

Recent structural and biochemical experiments indicate that bacterial elongation factor Tu and the ribosomal A-site show specificity for both the amino acid and the tRNA portions of their aminoacyl-tRNA (aa-tRNA) substrates. These data are inconsistent with the traditional view that tRNAs are generic adaptors in translation. We hypothesize that each tRNA sequence has co-evolved with its cognate amino acid, such that all aa-tRNAs are translated uniformly.

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