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. 1985 Sep;163(3):1288-9.
doi: 10.1128/jb.163.3.1288-1289.1985.

supN ochre suppressor gene in Escherichia coli codes for tRNALys

H Uemura, S Thorbjarnardóttir, V Gamulin, J Yano, O S Andrésson, D Söll, G Eggertsson

supN ochre suppressor gene in Escherichia coli codes for tRNALys

H Uemura et al. J Bacteriol. 1985 Sep.

Abstract

We describe the cloning and nucleotide sequence of a new tRNALys gene, lysV, in Escherichia coli. An ochre suppressor allele of this gene, supN, codes for a tRNALys with anticodon UUA, presumably derived by a single base change from a wild-type UUU anticodon. The sequence of the supN tRNALys is identical to the sequence of ochre suppressor tRNAs encoded by mutant alleles at the lysT locus. This locus, which contains the two previously known tRNALys genes of E. coli, is located far from the lysV locus on the chromosome.

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