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A Nucleotide Change in the Anticodon of an Escherichia Coli Serine Transfer RNA Results in SupD-amber Suppression

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Specialty Biochemistry
Date 1983 Jun 11
PMID 6344015
Citations 15
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Abstract

The tRNAs specified by the wild type and amber suppressor alleles of the Escherichia coli supD gene have been identified, and their primary structures determined. The sequences differ by a single nucleotide in the middle of the anticodon. A CUA anticodon allows the suppressor tRNA to read the UAG stop codon; the CGA anticodon in the minor serine tRNA species from which the suppressor is derived is specific for the serine codon UCG.

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