Sökning: L773:0022 2836 OR L773:1089 8638
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Differential effect...
Differential effects of mutations in the protein and RNA moieties of RNase P on the efficiency of suppression by various tRNA suppressors
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- Kirsebom, Leif A (författare)
- Department of Biology Yale University, New Haven, CT 06520, U.S.A.
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Baer, MF (författare)
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Altman, S (författare)
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Department of Biology Yale University, New Haven, CT 06520, US.A. (creator_code:org_t)
- Elsevier BV, 1988
- 1988
- Engelska.
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Ingår i: Journal of Molecular Biology. - : Elsevier BV. - 0022-2836 .- 1089-8638. ; 204:4, s. 879-888
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Abstract
Ämnesord
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- We have studied the efficiency of suppression by tRNA suppressors in vivo in strains of Escherichia coli that harbor a mutation in the rnpA gene, the gene for the protein component (C5) of RNase P, and in strains that carry several different alleles of the rnpB gene, the gene for the RNA component (M1) of RNase P. Depending on the genetic background, different efficiencies of suppression by the various tRNA suppressors were observed. Thus, mutations in rnpA have separable and distinct effects from mutations in rnpB on the processing of tRNA precursors by RNase P. In addition, the efficiency of suppression by several derivatives of E. coli tRNA(Tyr) Su3 changed as the genetic background was altered.
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- NATURAL SCIENCES
- NATURVETENSKAP
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