生物物理
Online ISSN : 1347-4219
Print ISSN : 0582-4052
ISSN-L : 0582-4052
50 巻 , 6 号
通巻292号
選択された号の論文の25件中1~25を表示しています
巻頭言
特集 日本発の生物物理学
解説
  • 藤吉 好則
    2010 年 50 巻 6 号 p. 276-281
    発行日: 2010年
    公開日: 2010/11/25
    ジャーナル フリー
    A brief account of structure and function including remaining research subjects of ion channels, which are the key molecules for understanding brain and neural functions, are given in this review. In specific terms, structure and function of five types of channels are summarized. The mechanism of selective ion permeation of larger K+ ion faster than smaller Na+ ion through K+ channel, which had been long puzzling question in electrophysiology, was revealed but it is still unclear that other ion selectivity could be explained by same mechanism. Structure of acetylcholine receptor in a condition similar with native membrane was analyzed but detailed gating mechanism is expected to be analyzed by Freeze-trapping method. Historically important structure analysis of glutamate receptor was achieved and the analysis revealed importance of asymmetric structure of the homo-tetramer. A plug model, which might be crucially important for gating mechanism of gap junction channel, was proposed based on structure analysis of connexin. Structure of water channel expressed in brain was analyzed but its functional studies are expected.
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