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Article

Hemeprotein Tpx1 interacts with cell-surface heme transporter Str3 in Schizosaccharomyces pombe.

Molecular microbiology - 1 Apr 2021

Normant Vincent, Brault Ariane, Avino Mariano, Mourer Thierry, Vahsen Tobias, Beaudoin Jude, Labbé Simon

Abstract excerpt

Str3 is a transmembrane protein that mediates low-affinity heme uptake in Schizosaccharomyces pombe. Under iron-limiting conditions, Str3 remains at the cell surface in the presence of increasing hemin concentrations. Using a proximity-dependent biotinylation approach coupled to mass spectrometry and coimmunoprecipitation assays, we report that the peroxiredoxin Tpx1 is a binding partner of Str3. Under...

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Identifiers

PMID: 33140466
DOI: 10.1111/mmi.14638

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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