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Three tandemly repeated structural genes encoding tRNA(f1Met) in the metZ operon of Escherichia coli K-12
1Department of Molecular Genetics, Kyoto Pharmaceutical University, Japan.
Gene
|January 28, 1994
Abstract:
The metZ operon of Escherichia coli K-12 consists of three tandemly repeated structural genes encoding tRNA(f1Met) separated by two well-conserved spacer sequences. A multicopy plasmid carrying an intact metZ operon is unstable, deleting tRNA(f1Met)-coding regions by RecA-dependent recombination during cell growth.