Adduct of Aquacobalamin with Hydrogen Peroxide

被引：14

作者：

Lehene, Maria ^{[1
]}

Plesa, Diana ^{[1
]}

Ionescu-Zinca, Stefania ^{[1
]}

Iancu, Stefania D. ^{[2
]}

Leopold, Nicolae ^{[2
]}

Makarov, Sergei, V ^{[3
]}

Branzanic, Adrian M., V ^{[1
]}

Silaghi-Dumitrescu, Radu ^{[1
]}

机构：

[1] Babes Bolyai Univ BBU, Dept Chem, RO-400028 Cluj Napoca, Romania

[2] Babes Bolyai Univ BBU, Fac Phys, RO-400084 Cluj Napoca, Romania

[3] Ivanovo State Univ Chem & Technol, Ivanovo 153000, Russia

来源：

INORGANIC CHEMISTRY | 2021年 / 60卷 / 17期

关键词：

RESONANCE RAMAN-SPECTRA; 2-DIMENSIONAL NMR; VITAMIN-B12; COBALAMIN; OXIDATION; B-12R;

D O I：

10.1021/acs.inorgchem.1c01483

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

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.

引用

页码：12681 / 12684

页数：4

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