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  Interactions of band 3-protein from human erythrocyte membranes with cholesterol and cholesterol analogues

Klappauf, E., & Schubert, D. (1979). Interactions of band 3-protein from human erythrocyte membranes with cholesterol and cholesterol analogues. Hoppe-Seyler's Zeitschrift für physiologische Chemie, 360(9), 1225-1235. doi:10.1515/BCHM2.1979.360.2.1225.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-0008-608E-C 版のパーマリンク: https://hdl.handle.net/21.11116/0000-0008-608F-B
資料種別: 学術論文

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 作成者:
Klappauf, Eberhard1, 著者           
Schubert, Dieter1, 著者           
所属:
1Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society, ou_3264817              

内容説明

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 要旨: The interaction between cholesterol and band 3-protein from human erythrocyte membranes was studied by incorporating the solubilized protein into monolayers of cholesterol and related sterols at the air-water interface and measuring the changes in surface pressure which accompanied protein incorporation. The following results were obtained: 1) Band 3-protein shows a very strong interaction with cholesterol monolayers. Both apolar and polar bonds contribute to this interaction. 2) Steroids with a structure slightly different from that of cholesterol (especially with respect to the polar group and the side chain) in most cases show a reduced affinity for band 3-protein. Thus, the protein-sterol interaction is highly specific. It is assumed that the protein-cholesterol interaction can be subidivided into two parts: an unspecific one which results from contributions from several sterol molecules, and a specific one which is due to the high affinity binding of the protein and cholesterol. The structural element responsible for the high affinity interaction is assumed to be a sterol-binding niche on the surface of band 3-protein. The sterol is thought to be held in the niche by a hydrogen bond at its polar head and a variety of hydrophobic bonds along its ring system and side chain.

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言語: eng - English
 日付: 1979-04-101979-09-01
 出版の状態: 出版
 ページ: 11
 出版情報: -
 目次: -
 査読: 査読あり
 識別子（DOI, ISBNなど）: DOI: 10.1515/BCHM2.1979.360.2.1225
PMID: 511112
 学位: -

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出版物 1

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出版物名: Hoppe-Seyler's Zeitschrift für physiologische Chemie
  省略形 : Hoppe Seylers Z Physiol Chem
種別: 学術雑誌
 著者・編者:
所属:
出版社, 出版地: Berlin : Walter De Gruyter
ページ: - 巻号: 360 (9) 通巻号: - 開始・終了ページ: 1225 - 1235 識別子（ISBN, ISSN, DOIなど）: ISSN: 0018-4888