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Disulfide-bond formation in the H+-pyrophosphatase of Streptomyces coelicolor and its implications for redox control and enzyme structure
http://hdl.handle.net/2237/6662
http://hdl.handle.net/2237/6662bb77c0e8-45d4-4822-a013-87b02d6fe1e3
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-06-30 | |||||
タイトル | ||||||
タイトル | Disulfide-bond formation in the H+-pyrophosphatase of Streptomyces coelicolor and its implications for redox control and enzyme structure | |||||
言語 | en | |||||
著者 |
Mimura, Hisatoshi
× Mimura, Hisatoshi× Nakanishi, Yoichi× Maeshima, Masayoshi× 前島, 正義 |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | H+-PPase | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Redox control | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Proton pump | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Streptomyces coelicolor | |||||
抄録 | ||||||
内容記述 | Redox control of disulfide-bond formation in the H+-pyrophosphatase of Streptomyces coelicolor was investigated using cysteine mutants expressed in Escherichia coli. The wildtype enzyme, but not a cysteine-less mutant, was reversibly inactivated by oxidation. To determine the residues involved in oxidative inactivation, different cysteine residues were replaced. Analysis with a cysteine-modifying reagent revealed that the formation of a disulfide bond between cysteines 253 and 621 was responsible for enzyme inactivation. This result suggests that residues in different cytoplasmic loops are close to each other in the tertiary structure. Both cysteine residues are conserved in K+-independent (type II) H+- pyrophosphatases. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
書誌情報 |
en : FEBS Letters 巻 579, 号 17, p. 3625-3631, 発行日 2005-07 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/6662 | |||||
識別子タイプ | HDL |