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Photosensitivity of the Ni-A state of [NiFe] hydrogenase from Desulfovibrio vulgaris Miyazaki F with visible light
http://hdl.handle.net/10061/10416
http://hdl.handle.net/10061/104168bf36161-aebe-4e46-8421-f1bd78ad79f4
名前 / ファイル | ライセンス | アクション |
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fulltext (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-09-25 | |||||
タイトル | ||||||
タイトル | Photosensitivity of the Ni-A state of [NiFe] hydrogenase from Desulfovibrio vulgaris Miyazaki F with visible light | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | [NiFe] hydrogenase | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Desulfovibrio vulgaris Miyazaki F | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ni-A state | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Light sensitivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FT-IR | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EPR | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
著者 |
Osuka, Hisao
× Osuka, Hisao× Shomura, Yasuhito× Komori, Hirofumi× Shibata, Naoki× Nagao, Satoshi× Higuchi, Yoshiki× Hirota, Shun |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | [NiFe] hydrogenase catalyzes reversible oxidation of molecular hydrogen. Its active site is constructed of a hetero dinuclear Ni-Fe complex, and the oxidation state of the Ni ion changes according to the redox state of the enzyme. We found that the Ni-A state (an inactive unready, oxidized state) of [NiFe] hydrogenase from Desulfovibrio vulgaris Miyazaki F (DvMF) is light sensitive and forms a new state (Ni-AL) with irradiation of visible light. The Fourier transform infrared (FT-IR) bands at 1956, 2084 and 2094 cm^-1 of the Ni-A state shifted to 1971, 2086 and 2098 cm^-1 in the Ni-AL state. The g-values of gx = 2.30, gy = 2.23 and gz = 2.01 for the signals in the electron paramagnetic resonance (EPR) spectrum of the Ni-A state at room temperature varied for -0.009, +0.012 and +0.010, respectively, upon light irradiation. The light-induced Ni-AL state converted back immediately to the Ni-A state under dark condition at room temperature. These results show that the coordination structure of the Fe site of the Ni-A state of [NiFe] hydrogenase is perturbed significantly by light irradiation with relatively small coordination change at the Ni site. | |||||
書誌情報 |
en : Biochemical and Biophysical Research Communications 巻 430, 号 1, p. 284-288, 発行日 2013-01-04 |
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出版者 | ||||||
出版者 | Elsevier | |||||
EISSN/PISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0006-291X | |||||
出版者版DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.bbrc.2012.10.136 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00564395 | |||||
権利 | ||||||
権利情報 | c 2012 Elsevier Inc. All rights reserved. | |||||
著者版フラグ | ||||||
出版タイプ | AM |