Supramolecular complex of cytochrome c with a polyanionic β-cyclodextrin

被引：24

作者：

Kano, Koji ^{[1
]}

Ishida, Yoshiyuki ^{[1
]}

机构：

[1] Doshisha Univ, Dept Mol Sci & Technol, Kyoto 6100321, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 05期

关键词：

cycloclextrins; cytochrome c; electrostatic interactions; protein modifications; supramolecular chemistry;

D O I：

10.1002/anie.200603471

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A threesome: An anionic cyclodextrin binds electrostatically with cationic cytochromec (K = 2.3 × 104 M-1, ΔH = 9.3 kJ mol-1, ΔS = 115 J mol-1 K-1). The cyclodextrin covers the hemin pockets of about two-thirds of the cyt c molecules. This association complex further complexes with a nonionic porphyrin to form a ternary complex in which static fluorescence quenching of the porphyrin by cyt c takes place. (Figure Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：727 / 730

页数：4

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