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Analysis of proton permeation mechanism of voltage-gated proton channel

Research Project

Project/Area Number 21770171
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Biophysics
Research InstitutionOsaka University

Principal Investigator

KUROKAWA Tatsuki  大阪大学, 大学院・医学系研究科, 特任研究員 (40527701)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2009: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords生体膜 / 受容体 / チャネル / イオンチャネル / プロトン
Research Abstract

We performed site-directed cysteine scanning using accessibility of maleimide-reagent (AMS or NEM) as detected by Western blotting. When we examined the accessibility of the S4 by using NEM, we found only 6 inaccessible residues. These results suggest that the S4 segment is lined by water-accessible crevices interrupted by a small hydrophobic region.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (20 results)

All 2011 2010 2009 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (11 results) Remarks (3 results)

  • [Journal Article] 電位依存性プロトンチャネルに見る膜電位センサーの謎2011

    • Author(s)
      黒川竜紀、岡村康司
    • Journal Title

      細胞膜中に存在する電荷生物物理

      Volume: Vol 51 Pages: 72-75

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 電位依存性プロトンチャネルに見る膜電位センサーの謎:細胞膜中に存在する電荷2011

    • Author(s)
      黒川竜紀、岡村康司
    • Journal Title

      生物物理

      Volume: (印刷中)

    • NAID

      10028105783

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Functionality of the voltage-gated proton channel truncated in S42010

    • Author(s)
      Sakata S, Kurokawa T, Norholm MH, Takagi M, Okochi Y, von Heijne G, Okamura Y.
    • Journal Title

      Proc. Natl. Acad. Sci. USA.

      Volume: Vol 107 Pages: 2313-2318

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] The cytochrome bcc-aa_3-type respiratory chain of Rhodococcus rhodochrous2010

    • Author(s)
      Kishikawa, J., Kabashima, Y., Kurokawa, T., Sakamoto, J.
    • Journal Title

      Journal of Bioscience and Bioengineering

      Volume: 110 Pages: 42-47

    • NAID

      110007681442

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Functionality of the voltage-gated proton channel truncated in S4.2010

    • Author(s)
      Sakata S, Kurokawa T, Norholm MH, Takagi M, Okochi Y, von Heijne G, Okamura Y.
    • Journal Title

      Proc. Natl. Acad. Sci. USA. 107

      Pages: 2313-2318

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correlation between proton translocation and growth : genetic analysis of the respiratory chain of Corynebacterium glutamicum.2009

    • Author(s)
      Kabashima Y, Kishikawa J, Kurokawa T, Sakamoto J.
    • Journal Title

      J. Biochem. 146

      Pages: 845-855

    • NAID

      10026305303

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] 電位依存性ホスファターゼVSPの基質特異性:PTENとの違い2011

    • Author(s)
      岡村康司、黒川竜紀、松田真、坂田宗平、本間光一、中川敦史
    • Organizer
      第88回日本生理学会大会
    • Place of Presentation
      パシフィコ横浜(神奈川)(招待講演)
    • Year and Date
      2011-03-29
    • Related Report
      2010 Annual Research Report
  • [Presentation] 構造に基づいた電位感受性ホスファターゼの其質特異性の解析2011

    • Author(s)
      黒川竜紀、岡村康司
    • Organizer
      第88回日本生理学会大会
    • Place of Presentation
      パシフィコ横浜(神奈川)
    • Year and Date
      2011-03-28
    • Related Report
      2010 Annual Research Report
  • [Presentation] 電位依存性プロトンチャネルの温度感受性ゲーティングは2量体会合構造安定性により決定する2011

    • Author(s)
      藤原祐一郎、黒川竜紀、竹下浩平、小林恵、中川敦史、岡村康司
    • Organizer
      第88回日本生理学会大会
    • Place of Presentation
      パシフィコ横浜(神奈川)
    • Year and Date
      2011-03-28
    • Related Report
      2010 Annual Research Report
  • [Presentation] STABILITY OF THE CYTOPLASMIC DIMER ASSEMBLY REGULATES THE THERMOSENSITIVE GATING OF THE VOLTAGE-GATED H^+ CHANNEL2011

    • Author(s)
      藤原祐一郎、黒川竜紀、竹下浩平、小林恵、中川敦史、岡村康司
    • Organizer
      55th Biophysical society meeting
    • Place of Presentation
      Baltimore convention center (USA)(招待講演)
    • Year and Date
      2011-03-08
    • Related Report
      2010 Annual Research Report
  • [Presentation] 電位依存性プロトンチャネルにおけるS4トポロジー解析2010

    • Author(s)
      黒川竜紀、岡村康司
    • Organizer
      生理学研究所研究会
    • Place of Presentation
      岡崎コンファレンスセンター (愛知)(招待講演)
    • Year and Date
      2010-09-16
    • Related Report
      2010 Final Research Report
  • [Presentation] 電位依存性プロトンチャネルにおけるS4トポロジー解析2010

    • Author(s)
      黒川竜紀、岡村康司
    • Organizer
      生理学研究所研究会
    • Place of Presentation
      岡崎コンファレンスセンター(愛知)(招待講演)
    • Year and Date
      2010-09-16
    • Related Report
      2010 Annual Research Report
  • [Presentation] 電位依存性プロトンチャネルVSOPのトポロジー解析2010

    • Author(s)
      黒川竜紀、岡村康司
    • Organizer
      Neuro2010(第33回日本神経科学大会、第53回日本神経化学会大会、第20回日本神経回路学会大会合同大会)
    • Place of Presentation
      神戸コンベンションセンター(兵庫)
    • Year and Date
      2010-09-02
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 電位感受性ホスファターゼの動作原理と役割2010

    • Author(s)
      岡村康司、黒川竜紀、坂田宗平、平郁子、大河内善史、山口真二、小笠原道生、本間光一
    • Organizer
      第87回日本生理学会大会
    • Place of Presentation
      盛岡市民文化ホール(岩手)(招待講演)
    • Year and Date
      2010-05-21
    • Related Report
      2010 Annual Research Report
  • [Presentation] 電位依存性プロトンチャネルにおけるS4のトポロジー解析2010

    • Author(s)
      黒川竜紀、岡村康司
    • Organizer
      第87回日本生理学会大会
    • Place of Presentation
      盛岡市民文化ホール(岩手)(招待講演)
    • Year and Date
      2010-05-20
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] The role of C-terminal cytoplasmic regions in dimerization of voltage-gated proton channel2009

    • Author(s)
      Tatsuki Kurokawa, Yoshifumi Okochi, Yasushi Okamura
    • Organizer
      36th International congress of physiological Sciences
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2009-07-30
    • Related Report
      2010 Final Research Report
  • [Presentation] The role of C-terminal cytoplasmic regions in dimerization of voltage-gated proton channel2009

    • Author(s)
      Tatsuki Kurokawa, Yoshifumi Okochi, Yasushi Okamura
    • Organizer
      36th International congress of physiological sciences
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2009-07-30
    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://www.med.osaka-u.ac.jp/pub/phys2/okamura/index.html

    • Related Report
      2010 Final Research Report
  • [Remarks]

    • URL

      http://www.med.osaka-u.ac.jp/pub/phys2/okamura/index.html

    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://www.med.osaka-u.ac.jp/pub/phys2/tougouseiri/menu.htm

    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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