COMPARATIVE INTERACTIONS OF MAGNESIUM AND CALCIUM COUNTERIONS WITH POLYGALACTURONIC ACID

被引：43

作者：

MALOVIKOVA, A ^{[1
]}

RINAUDO, M ^{[1
]}

MILAS, M ^{[1
]}

机构：

[1] UNIV GRENOBLE 1,CTR RECH MACROMOLEC VEGETALES,CNRS,F-38040 GRENOBLE 9,FRANCE

来源：

BIOPOLYMERS | 1994年 / 34卷 / 08期

关键词：

D O I：

10.1002/bip.360340809

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 comparative interaction of Mg2+ and Ca2+ counterions on carboxyl groups of polygalacturonic acid is developed. Ultracentrifugation, conductimetry, potentiometry, and CD were used in this work. Evidence is provided for a simple electrostatic interaction of Mg2+ counterions; on the opposite side, cooperative interaction of Ca2+ counterions is again demonstrated, causing chain-chain association. (C) 1994 John Wiley & Sons, Inc.

引用

页码：1059 / 1064

页数：6

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