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Báo cáo khoa học: Interaction of selenium compounds with zinc finger proteins involved in DNA repair

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:10

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As an essential element, selenium is present in enzymes from several families, including glutathione peroxidases, and is thought to exert anticarcinogenic properties. A remarkable feature of selenium consists of its ability to oxidize thiols under reducing conditions. Thus, one mode of action recently suggested is the oxidation of thiol groups of metal-lothionein, thereby providing zinc for essential reactions. However, tetrahedral zinc ion complexation to four thio-lates, similar to that found in metallothionein, is present in one of the major classes of transcription factors and other so-called zinc finger proteins. ...

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Nội dung Text: Báo cáo khoa học: Interaction of selenium compounds with zinc finger proteins involved in DNA repair

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