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Article

Molecular mechanism of oxidative stress perception by the Orp1 protein.

The Journal of biological chemistry - 26 Oct 2007

Ma Li-Hua, Takanishi Christina L, Wood Matthew J

Abstract excerpt

In this study we investigated the molecular mechanism by which the Orp1 (Gpx3) protein in Saccharomyces cerevisiae senses and reacts with hydrogen peroxide. Upon exposure to H(2)O(2) Orp1(Cys36) forms a disulfide-bonded complex with the C-terminal domain of the Yap1 protein (Yap1-cCRD). We used 4-nitrobenzo-2-oxa-1,3-diazole to identify a cysteine sulfenic acid (Cys-SOH) modification that forms on Cys(36) of...

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PMID: 17720812
DOI: 10.1074/jbc.M705953200

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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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