EQCM法を利用したシトクロムcの電子プール機構に関わるヘムの特定
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概要
- 論文の詳細を見る
Cytochrome c3, which has four bis-histidinyl coordinated hemes per molecule, is a redox protein, and stores electrons temporarily until recognizing a redox partner. This mechanism is called “electron pool effect”. In this study, highly sensitive EQCM measurement clarified which heme in cytochrome c3 caused the electron pool effect. To investigate the key heme to the electron pool effect, cytochrome c3 mutants in which the sixth axial ligand of one heme was changed were prepared, and the intermolecular electron transfer was measured by viologen-immobilized electrode. The kinetics of the electron transfer complex formation between cytochrome c3 and immobilized viologen indicated that redox of the heme II in cytochrome c3 caused the electron pool effect.
著者
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OKURA Ichiro
Department of Bioengineering, Tokyo Institute of Technology
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Hirose Yo
Department Of Chemical Engineering Tsinghua University:graduate School Of Bioscience And Biotechnolo
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Okura Ichiro
Department Of Bioengineering Tokyo Institute Of Technology
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ASAKURA Noriyuki
Department of Bioengineering, Tokyo Institute of Technology
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Asakura Noriyuki
Department Of Bioengineering Tokyo Institute Of Technology
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Kamachi Toshiaki
Department Of Bioengineering Tokyo Institute Of Technology
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Tabata Kenji
Department Of Applied Chmistry Faculty Of Engineering University Of Miyazaki
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KOBAYASHI Eisuke
Department of Bioengineering, Tokyo Institute of Technology
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TABATA Kenji
Department of Bioengineering, Tokyo Institute of Technology
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HIROSE Yo
Department of Bioengineering, Tokyo Institute of Technology
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- EQCM法を利用したシトクロムcの電子プール機構に関わるヘムの特定
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