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Article

Sulfide : quinone oxidoreductase (SQR) from the lugworm Arenicola marina shows cyanide- and thioredoxin-dependent activity.

The FEBS journal - 1 Mar 2008

Theissen Ursula, Martin William

Abstract excerpt

The lugworm Arenicola marina inhabits marine sediments in which sulfide concentrations can reach up to 2 mM. Although sulfide is a potent toxin for humans and most animals, because it inhibits mitochondrial cytochrome c oxidase at micromolar concentrations, A. marina can use electrons from sulfide for mitochondrial ATP production. In bacteria, electron transfer from sulfide to quinone is catalyzed by the...

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Identifiers

PMID: 18248458
DOI: 10.1111/j.1742-4658.2008.06273.x

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

Source receipt: pubmed, retrieved 7 Sept 2026.

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