β桶狀結構
β桶狀結構（英語：Beta barrel）是蛋白質的一種三級構造。它由多條β摺疊帶通過反平行重疊成桶狀，兩段則由肽鏈殘基間的氫鍵結束。常見採取這種構造的蛋白有孔蛋白、跨膜蛋白以及其他需要與非極性分子打交道的蛋白。
參考文獻
- ^ Voet, Donald; Voet, Judith G.; Pratt, Charlotte W.; Tamiya, nobuo; Yagi, tatsuhiko; Endo, toshiya; Yoshihisa, toru; 田宮, 信雄(1922-2011); 八木, 達彥(1933- ). Voto kiso seikagaku.. 東京化學同人 https://www.worldcat.org/oclc/1022202113. 2017. ISBN 978-4-8079-0925-4. OCLC 1022202113. 缺少或
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外部連結
- Explanation of all-beta topologies （頁面存檔備份，存於網際網路檔案館）: "orthogonal beta-sandwiches" are beta-barrels (as defined in this article); "aligned" beta-sandwiches" correspond to beta-sandwich folds in SCOP classification.
- all-beta folds in SCOP database (folds 54 to 100 are water-soluble beta-barrels).
- CATH database - folds and homologous superfamilies within the beta-barrel architecture. （頁面存檔備份，存於網際網路檔案館）
- General classification and images of protein structures from Jane Richardson lab
- Images and examples of transmembrane beta-barrels （頁面存檔備份，存於網際網路檔案館）
- Stockholm Bioinformatics Center review of transmembrane proteins
- The Lipocalin Website
- The OMPdb database for beta-barrel proteins