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Article

Regulation of the soxRS oxidative stress regulon. Reversible oxidation of the Fe-S centers of SoxR in vivo.

The Journal of biological chemistry - 21 Feb 1997

Gaudu P, Moon N, Weiss B

Abstract excerpt

SoxR protein, a transcriptional activator of the soxRS (superoxide response) regulon of Escherichia coli, contains autooxidizable [2Fe-2S] centers that are presumed to serve as redox sensors. In vitro transcription experiments previously demonstrated that only the oxidized form is active. Reduced...

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PMID: 9030573
DOI: 10.1074/jbc.272.8.5082

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026. Prepared record publication-9030573-2026-09-01.1. Manifest publication-graph-cohort-2026-09-01.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 1 Sept 2026.

Related research

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Regulation of the soxRS oxidative stress regulon. Reversible oxidation of the Fe-S centers of SoxR in vivo.PMID 9030573Read ↗

Redox signal transduction: mutations shifting [2Fe-2S] centers of the SoxR sensor-regulator to the oxidized form.Semantic proximity Read ↗

A reducing system of the superoxide sensor SoxR in Escherichia coli.Semantic proximity Read ↗

Functional analysis of SoxR residues affecting transduction of oxidative stress signals into gene expression.Semantic proximity Read ↗

Transcription-defective soxR mutants of Escherichia coli: isolation and in vivo characterization.Semantic proximity Read ↗

The redox-regulated SoxR protein acts from a single DNA site as a repressor and an allosteric activator.Semantic proximity Read ↗

Rational Tuning of Superoxide Sensitivity in SoxR, the [2Fe-2S] Transcription Factor: Implications of Species-Specific Lysine Residues.Semantic proximity Read ↗

Two-stage induction of the soxRS (superoxide response) regulon of Escherichia coli.Semantic proximity Read ↗

Functional Characterization of RseC in the SoxR Reducing System and Its Role in Oxidative Stress Response in Escherichia coli.Semantic proximity Read ↗

Involvement of superoxide dismutases in the response of Escherichia coli to selenium oxides.Semantic proximity Read ↗

Regulation of the OxyR transcription factor by hydrogen peroxide and the cellular thiol-disulfide status.Semantic proximity Read ↗

Mechanism of regulation of 8-hydroxyguanine endonuclease by oxidative stress: roles of FNR, ArcA, and Fur.Semantic proximity Read ↗

Differential activities of the SoxR protein of Escherichia coli: SoxS is not required for gene activation under iron deprivation.Semantic proximity Read ↗

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