A NONPEPTIDIC ION-CHANNEL WITH K+ SELECTIVITY

被引:150
作者
TANAKA, Y
KOBUKE, Y
SOKABE, M
机构
[1] SHIZUOKA UNIV,FAC ENGN,DEPT MAT SCI,HAMAMATSU,SHIZUOKA 432,JAPAN
[2] NAGOYA UNIV,NAGOYA,AICHI,JAPAN
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1995年 / 34卷 / 06期
关键词
ION CHANNELS; MEMBRANE MODELS; RESORCINOL;
D O I
10.1002/anie.199506931
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The resorcinol–octadecanal cyclotetramer 1 forms an ion channel in planar lipid bilayers. A stable conductance level is observed with well‐defined transitions between open and closed states. The channel discriminates K+ from Na+ ions as well as cations from anions (for example, K+ from Cl−), as indicated by permeability ratios of 3 and 20, respectively. Rb+ ions block the K+ ion current. (Figure Presented.) Copyright © 1995 by VCH Verlagsgesellschaft mbH, Germany
引用
收藏
页码:693 / 694
页数:2
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