The system VO2+ +oxidized glutathione:: a potentiometric and spectroscopic study

被引：0
|
作者：
Pessoa, JC
Tomaz, I
Kiss, T
Buglyó, P
机构：
[1] Inst Super Tecn, Ctr Quim Estrutural, P-1049001 Lisbon, Portugal
[2] Univ Szeged, Dept Inorgan & Analyt Chem, H-6701 Szeged, Hungary
[3] Univ Debrecen, Dept Inorgan & Analyt Chem, H-4010 Debrecen, Hungary
来源：
JOURNAL OF INORGANIC BIOCHEMISTRY | 2001年 / 84卷 / 3-4期
关键词：
VO2+; oxidized glutathione; structure; stoichiometry;
D O I：
暂无
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The equilibria in the system VO2++oxidized glutathione in aqueous solution have been studied in the pH range 2-11 by a combination of pH potentiometry and spectroscopy (EPR, visible absorption and circular dichroism). The results of the various methods are self-consistent and the equilibrium model includes the species MLH4, MLH3, MLH2, MLH. ML, MLH-1, MLH-2 and several hydrolysis products (where H4L denotes oxidized glutathione); individual formation constants and spectra are given. Plausible structures for each stoichiometry are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：259 / 270
页数：12
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