2011 Fiscal Year Final Research Report
Genetic approach on subunit architecture of sodium-translocating V-ATPase complex
Project/Area Number |
21570144
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Functional biochemistry
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Research Institution | Ehime University |
Principal Investigator |
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Co-Investigator(Renkei-kenkyūsha) |
MURATA Takeshi 千葉大学, 理学部, 特任准教授 (80415322)
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Project Period (FY) |
2009 – 2011
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Keywords | ナトリウム / V. ATPアーゼ / 腸球菌 / イオン / サブユニット |
Research Abstract |
Enterococcus hirae V-ATPase is an ion-transporting rotary enzyme that consists of nine subunits. In order to clarify the molecular mechanism of this enzyme, it is essential to clarify the overall architecture and the interaction among subunits. In this study, reconstruction of V-ATPase complex was succeeded from each subunit. Based on crystal structure of the subunit complexes and directed mutagenesis study, the features of individual V-ATPase subunits was revealed.
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Research Products
(16 results)
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[Journal Article] Crystal structure of the central axis DF complex of the prokaryotic V-ATPase2011
Author(s)
Saijo S, Arai S, Hossain KM, Yamato I, Suzuki K, Kakinuma Y, Ishizuka-Katsura Y, Ohsawa N, Terada T, Shirouzu M, Yokoyama S, Iwata S, Murata T
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Journal Title
Proc Natl Acad Sci USA
Volume: 108(50)
Pages: 19955-19960
Peer Reviewed
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[Journal Article] Structure of the rotor ring modified with N, N'-dicyclohexylcarbodiimide of the Na+-transporting vacuolar ATPase2011
Author(s)
Mizutani K, Yamamoto M, Suzuki K, Yamato I, Kakinuma Y, Shirouzu M, Walker JE, Yokoyama S, Iwata S, Murata T
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Journal Title
Proc Natl Acad Sci USA
Volume: 108(33)
Pages: 13474-13479
Peer Reviewed
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[Journal Article] Reconstitution in vitro of the catalytic portion(NtpA3-B3-D-G complex) of Enterococcus hirae V-type Na+-ATPase2009
Author(s)
Arai S, Yamato I, Shiokawa A, Saijo S, Kakinuma Y, Ishizuka-Katsura Y, Toyama M, Terada T, Shirouzu M, Yokoyama S, Iwata S, Murata T
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Journal Title
Biochem Biophys Res Commun
Volume: 390(3)
Pages: 698-702
Peer Reviewed
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[Presentation] V型ATPaseのサブユニット集合機構2010
Author(s)
山本三沙岐, 水谷健二, 山登一郎, 柿沼喜己, 石塚芳子, 寺田貴帆, 白水美香子, 横山茂之, 岩田想, 村田武士
Organizer
第33回日本分子生物学会年会・第83回日本生化学会大会合同大会
Place of Presentation
神戸ポートアイランド
Year and Date
2010-12-09
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