HYDROGEN-BONDING AND THE THERMOTROPIC TRANSITIONS OF PHOSPHATIDYLETHANOLAMINES

被引：31

作者：

EPAND, RM

机构：

[1] Department of Biochemistry, McMaster University Health Sciences Centre, Hamilton

来源：

CHEMISTRY AND PHYSICS OF LIPIDS | 1990年 / 52卷 / 3-4期

基金：

英国医学研究理事会;

关键词：

deuterium; differential scanning calorimetry; H-bonding; hexagonal phase; phase transition; phosphatidylethanolamine;

D O I：

10.1016/0009-3084(90)90118-B

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 thermotropic transistions of dipalmitoleoylphosphatidylethanoelamine, dielaidoylphosphatidylethanolamine and 1-palmitoyl-2-oleoylphosphatidylethano lamine were measured in H2O and in 2H2O using differential scanning calorimetry. In all cases substitution of H2O by 2H2O raised the Lβ → Lα transition temperature but lowered the Lα → HII transition temperature. These effects are interpreted as resulting from decreased lipid-lipid hydrogen bonding in the Lα phase compared with either the Lβ phase or the HII phase. © 1990.

引用

页码：227 / 230

页数：4

共 9 条

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