Nitrate- and nitrite-sensing protein NarX of Escherichia coli K-12: mutational analysis of the amino-terminal tail and first transmembrane segment.

doi:10.1128/jb.179.3.721-729.1997

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Article

Nitrate- and nitrite-sensing protein NarX of Escherichia coli K-12: mutational analysis of the amino-terminal tail and first transmembrane segment.

Journal of bacteriology - 1 Feb 1997

Williams S B, Stewart V

Abstract excerpt

Nitrate and nitrite control of anaerobic respiratory gene expression is mediated by dual two-component regulatory systems. The sensors NarX and NarQ each communicate nitrate and nitrite availability to the response regulators NarL and NarP. In the presence of nitrate, the NarX protein acts as a p...

Topics

Bacterial Proteins
DNA Mutational Analysis
DNA-Binding Proteins
Escherichia coli
Escherichia coli Proteins
Gene Expression Regulation, Bacterial
Genes, Reporter
Genetic Complementation Test
Membrane Proteins
Mutagenesis
Nitrates

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Nitrites

Operon

Phenotype

Phosphoprotein Phosphatases

Phosphoproteins

Protein Conformation

Protein Kinases

Source

Open in PubMed Open full text

Identifiers

PMID: 9006026
DOI: 10.1128/jb.179.3.721-729.1997
PMCID: PMC178753

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-9006026-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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Nitrate- and nitrite-sensing protein NarX of Escherichia coli K-12: mutational analysis of the amino-terminal tail and first transmembrane segment.PMID 9006026Read ↗

Mutational analysis reveals functional similarity between NARX, a nitrate sensor in Escherichia coli K-12, and the methyl-accepting chemotaxis proteins.Semantic proximity Read ↗

Discrimination between structurally related ligands nitrate and nitrite controls autokinase activity of the NarX transmembrane signal transducer of Escherichia coli K-12.Semantic proximity Read ↗

Role of the periplasmic domain of the Escherichia coli NarX sensor-transmitter protein in nitrate-dependent signal transduction and gene regulation.Semantic proximity Read ↗

Nitrate- and molybdenum-independent signal transduction mutations in narX that alter regulation of anaerobic respiratory genes in Escherichia coli.Semantic proximity Read ↗

Asymmetric cross-regulation between the nitrate-responsive NarX-NarL and NarQ-NarP two-component regulatory systems from Escherichia coli K-12.Semantic proximity Read ↗

Identification and characterization of narQ, a second nitrate sensor for nitrate-dependent gene regulation in Escherichia coli.Semantic proximity Read ↗

Functional roles for the GerE-family carboxyl-terminal domains of nitrate response regulators NarL and NarP of Escherichia coli K-12.Semantic proximity Read ↗

Involvement of NarK1 and NarK2 proteins in transport of nitrate and nitrite in the denitrifying bacterium Pseudomonas aeruginosa PAO1.Semantic proximity Read ↗

Nitrate regulation of anaerobic respiratory gene expression in narX deletion mutants of Escherichia coli K-12.Semantic proximity Read ↗

Nitrate and nitrite transport in Escherichia coli.Semantic proximity Read ↗

Interdependence of two NarK domains in a fused nitrate/nitrite transporter.Semantic proximity Read ↗

Mutational analysis of nitrate regulatory gene narL in Escherichia coli K-12.Semantic proximity Read ↗

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