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Article

Promoter-specific involvement of the FixJ receiver domain in transcriptional activation.

Journal of molecular biology - 28 Sept 2001

Ton-Hoang B, Salhi M, Schumacher J, Da Re S, Kahn D

Abstract excerpt

The "two-component" FixLJ system activates nitrogen fixation genes via nifA and fixK in Sinorhizobium meliloti. Like other response regulators, the FixJ protein can be decomposed into an N-terminal phosphorylatable "receiver" domain FixJN and a C-terminal transcriptional activator domain FixJC. The FixJN receiver domain was known to regulate activity of FixJC negatively at the nifA promoter. Here we show a...

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Identifiers

PMID: 11575915
DOI: 10.1006/jmbi.2001.5014

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Promoter-specific involvement of the FixJ receiver domain in transcriptional activation.PMID 11575915Read ↗

Mutants of the two-component regulatory protein FixJ of Rhizobium meliloti that have increased activity at the nifA promoter.Semantic proximity Read ↗

Isolation of phosphorylation-deficient mutants of the Rhizobium meliloti two-component regulatory protein, FixJ.Semantic proximity Read ↗

Regulation of fixLJ by Hfq Controls Symbiotically Important Genes in Sinorhizobium meliloti.Semantic proximity Read ↗

FixL of Rhizobium meliloti enhances the transcriptional activity of a mutant FixJD54N protein by phosphorylation of an alternate residue.Semantic proximity Read ↗

Crystal structure of the C-terminal domain of the two-component system transmitter protein nitrogen regulator II (NRII; NtrB), regulator of nitrogen assimilation in Escherichia coli.Semantic proximity Read ↗

Bradyrhizobium japonicum FixK2, a crucial distributor in the FixLJ-dependent regulatory cascade for control of genes inducible by low oxygen levels.Semantic proximity Read ↗

The uncoupling of oxygen sensing, phosphorylation signalling and transcriptional activation in oxygen sensor FixL and FixJ mutants.Semantic proximity Read ↗

Involvement of fixLJ in the regulation of nitrogen fixation in Azorhizobium caulinodans.Semantic proximity Read ↗

Symbiotic nitrogen fixation by a nifA deletion mutant of Rhizobium meliloti: the role of an unusual ntrC allele.Semantic proximity Read ↗

Regulation of nitrogen fixation in Azorhizobium caulinodans: identification of a fixK-like gene, a positive regulator of nifA.Semantic proximity Read ↗

Alterations of highly conserved residues in the regulatory domain of nitrogen regulator I (NtrC) of Escherichia coli.Semantic proximity Read ↗

FIS-dependent trans-activation of tRNA and rRNA operons of Escherichia coli.Semantic proximity Read ↗

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