Adduct of Aquacobalamin with Hydrogen Peroxide

Adduct of Aquacobalamin with Hydrogen Peroxide

Aquacobalamin binds hydrogen peroxide reversibly to form a cobalt­(III) hydroperoxo adduct with a 0.25 mM dissociation constant, as evidenced by UV–vis absorption spectroscopy and corroborated by NMR, Raman spectroscopy, stopped-flow UV–vis measurements, and density functional theory calculations....

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Veröffentlicht in:Inorganic chemistry 2021-09, Vol.60 (17), p.12681-12684
Hauptverfasser: Lehene, Maria, Plesa, Diana, Ionescu-Zinca, Stefania, Iancu, Stefania D, Leopold, Nicolae, Makarov, Sergei V, Brânzanic, Adrian M. V, Silaghi-Dumitrescu, Radu
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Sprache:eng
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Zusammenfassung:Aquacobalamin binds hydrogen peroxide reversibly to form a cobalt­(III) hydroperoxo adduct with a 0.25 mM dissociation constant, as evidenced by UV–vis absorption spectroscopy and corroborated by NMR, Raman spectroscopy, stopped-flow UV–vis measurements, and density functional theory calculations.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.1c01483