Japanese

Structure and function of Ca channels Michihiro TATEYAMA 1 , Rikuo OCHI 1 1Department of Physiology, Juntendo University of Medicine Keyword: α1サブユニット , ジヒドロピリジン , DHP , Gタンパク pp.234-244
Published Date 1998/4/10
DOI https://doi.org/10.11477/mf.1431900840
  • Abstract
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High voltage-gated Ca channel (HVGC) is consist from heteromeric complex of α1, α2, β, δ and γ subunits. The α1 subunit consists of 4 repeating domains (I -IV) which has 6 membrane-spanning segments (S1-S6) and is sufficient to function as channel. Expressed α1 subunit shows channel properties; ion selectivity, voltage sensor, binding site of Ca antagonist. The β and α2/δ subunits are necessary to physiological Ca channel function.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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