Summary
The transducing phage λ dsupM814 and the plasmid pIB1830 containing the wild-type rpoB gene have been constructed and the primary structure of the gene's central fragment has been established. In contrast with the wild-type, the gene of the rpoB255 mutant, whose primary structure has been published, was found to contain an A.T.→T.A. transversion entailing the substitution of a valine residue for the aspartic acid residue (516) of the wild-type β subunit.
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Communicated by D. Goldfarb
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Ovchinnikov, Y.A., Monastyrskaya, G.S., Gubanov, V.V. et al. Primary structure of Escherichia coli RNA polymerase nucleotide substitution in the β subunit gene of the rifampicin resistant rpoB255 mutant. Mol Gen Genet 184, 536–538 (1981). https://doi.org/10.1007/BF00352535
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DOI: https://doi.org/10.1007/BF00352535