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Regulation of ryanodine receptor channel by interdomain interaction

Regulation of ryanodine receptor channel by interdomain interaction
通过域间相互作用调节兰尼碱受体通道
批准号:
21500383
负责人:
MURAYAMA Takashi
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
翻译
ryanodine受体/Ca^<2+>释放通道的疾病相关突变使该通道过度激活。区域间相互作用被认为参与了过度激活的机制。在这里,我们通过纳米金标记和FRET检查了子域1和子域2之间的相互作用。我们发现子域1和子域2位置很近,并且相互作用。此外,子结构域3的突变可能通过改变S4-S5连接子的相互作用来影响通道门控。
英文摘要
Disease-associated mutations in ryanodine receptor/Ca^<2+> release channel hyperactivate the channel. Interdomain interaction is proposed to be involved in the mechanism of hyperactivation. Here, we examined interaction between subdomains 1 and 2 by nanogold labeling and FRET. We found that subdomains 1 and 2 are closely located and interact to each other. In addition, mutations in subdomain 3 may affect the channel gating by altering the interaction via the S4-S5 linker.
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DOI: 10.1143/jjap.50.095002
发表时间: 2011-09-01
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS
影响因子: 1.5
作者: [Kitai, Toshiyuki, Watanabe, Yuta, Takahagi, Takayuki]
通讯作者: Takahagi, Takayuki
DOI: 10.1016/j.pbiomolbio.2010.10.003
发表时间: 2011-05-01
期刊: PROGRESS IN BIOPHYSICS & MOLECULAR BIOLOGY
影响因子: 3.8
作者: [Murayama, Takashi, Kurebayashi, Nagomi]
通讯作者: Kurebayashi, Nagomi
Role of amino-terminal half of the S4-S5 linker in type 1 ryanodme receptor (RyR1) channel gating
S4-S5 连接子的氨基末端一半在 1 型 ryanodme 受体 (RyR1) 通道门控中的作用
DOI: --
发表时间: 2011
期刊: J Biol Chem
影响因子: 4.8
作者: [Cai, C., Masumiya, H., Weisleder, N., Matsuda, N., Nishi, M., Hwang, M., Ko, JK., Lin, P., Thornton, A., Zhao, X., Pan, Z., Komazaki, S., Brotto, M., Takeshima, H & Ma, J., Takashi Murayama]
通讯作者: Takashi Murayama
Two ryanodine receptor isoforms in nonmammalian vertebrate skeletal muscle : Possible roles in excitation-contraction coupliag and other processes
非哺乳动物脊椎动物骨骼肌中的两种兰尼碱受体亚型:在兴奋-收缩耦合和其他过程中的可能作用
DOI: --
发表时间: 2011
期刊: Prog Biophys Mol Biol
影响因子: --
作者: [Momose-Sato, Y., Sato, K., Takashi Murayama]
通讯作者: Takashi Murayama
12
    Elucidation of regulatory mechanisms of type 2 ryanodine receptors by introducing artificial amino acids
    • 批准号:
      24590330
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $3.49万
    • 财政年份:
      2012
    • 负责人:
      MURAYAMA Takashi
    • 依托单位:
    Molecular mechanisms underlying abnormal functions in RyR2 complex in cardiac hypertrophy/heart failure
    • 批准号:
      17590227
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.37万
    • 财政年份:
      2005
    • 负责人:
      MURAYAMA Takashi
    • 依托单位:
    海外基金