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pro vyhledávání: '"P M Wikström"'
An active role for a structured B-linker in effector control of the sigma54-dependent regulator DmpR
Publikováno v:
The EMBO Journal. 20:819-827
The activities of many prokaryotic sigma54-dependent transcriptional activators are controlled by the N-terminal A-domain of the protein, which is linked to the central transcriptional activation domain via a short B-linker. It used to be thought tha
Publikováno v:
Molecular Microbiology. 19:1319-1330
The histone-like protein HU isolated from Escherichia coli exhibited, after several purification steps, a Mg(2+)-dependent nuclease activity. We show here that this activity can be dissociated from HU by a denaturation-renaturation step, and is due t
Publikováno v:
Journal of Bacteriology. 173:2633-2638
An efficient method for moving mutations in cloned Escherichia coli DNA from plasmid vectors to the bacterial chromosome was developed. Cells carrying plasmids that had been mutated by the insertion of a resistance gene were infected with lambda phag
Publikováno v:
Journal of bacteriology. 179(14)
Previously, we showed that strains which have been deleted for the 21K gene (hereafter called yfjA), of the trmD operon, encoding a 21-kDa protein (21K protein) have an approximately fivefold-reduced growth rate in rich medium. Here we show that such
Publikováno v:
Journal of molecular biology. 224(4)
The trmD operon of Escherichia coli consists of the genes for the ribosomal protein (r-protein) S16, a 21 kilodalton protein (21K) of unknown function, the tRNA(m1G37)methyltransferase (TrmD), and r-protein L19, in that order. The synthesis of the 21
Autor:
Glenn R. Björk, P M Wikström
Publikováno v:
Journal of Bacteriology. 170:3025-3031
The trmD operon of Escherichia coli contains the genes for the ribosomal protein S16, a 21-kilodalton polypeptide of unknown function, the tRNA(1-methylguanosine)methyltransferase, and the ribosomal protein L19, in that order. As reported elsewhere,
Publikováno v:
Journal of Molecular Biology. 203:141-152
The trmD operon of Escherichia coli encodes the ribosomal proteins S16 and L19, the tRNA(m1G37)methyltransferase and a 21,000 Mr protein of unknown function. Here we demonstrate that, in contrast to the expression of other ribosomal protein operons,
Publikováno v:
Science (New York, N.Y.). 244(4907)
The methylated nucleoside 1-methylguanosine (m1G) is present next to the 3' end of the anticodon (position 37) in all transfer RNAs (tRNAs) that read codons starting with C except in those tRNAs that read CAN codons. All of the three proline tRNA spe