doi: 10.1016/0006-291x(86)90957-5.
An evidence of the peroxidase-dependent oxygen transfer from hydrogen peroxide to sulfides
- PMID: 3954766
- DOI: 10.1016/0006-291x(86)90957-5
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An evidence of the peroxidase-dependent oxygen transfer from hydrogen peroxide to sulfides
Biochem Biophys Res Commun.
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Abstract
Horseradish- and chloro-peroxidase catalyzed oxidation of sulfides have been investigated. Thioanisoles were oxygenated to the corresponding sulfoxides by such peroxidases at the expense of H2O2. Dealkylation was observed only in the chloroperoxidase-dependent oxidations of p-methoxy- and p-iso-propoxy-thioanisoles. The experiments with 18O-labeled H2O2 indicated that an oxygen atom of H2O2 is incorporated into the sulfoxides. These research lead to the conclusion that compound I or II is capable of acting as an oxygen donor as well as an electron acceptor.
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