Heme Iron Coordination Structure of Heme Transport Protein HutB from <i>Vibrio Cholerae</i>
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- タイトル別名
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- Heme Iron Coordination Structure of Heme Transport Protein HutB from Vibrio Cholerae
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HutB is a putative heme transport protein located in the periplasmic space in Vibrio cholerae. Here, we purified HutB and characterized its heme binding properties. An analysis of the Soret band showed that there are two types of heme binding geometries depending on the heme concentration: 404-nm species are dominant at lower concentrations of heme, and 394-nm species dominate at higher concentrations. Moreover, a mutational study revealed that either Tyr65 or Tyr198 binds heme with the help of histidine, a property shared with another V. cholerae heme transport protein, HutX, despite the absence of sequence similarity, indicating that HutB acts as a heme transport protein in the periplasm.
収録刊行物
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 90 (8), 924-930, 2017-08
Chemical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1050564288978666112
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- NII論文ID
- 130005973696
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- NII書誌ID
- AA00580132
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- ISSN
- 13480634
- 00092673
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- HANDLE
- 2115/68744
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- NDL書誌ID
- 028411744
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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