β桶状结构
β桶状结构（英语：Beta barrel）是蛋白质的一种三级构造。它由多条β折叠带通过反平行重叠成桶状，两段则由肽链残基间的氢键结束。常见采取这种构造的蛋白有孔蛋白、跨膜蛋白以及其他需要与非极性分子打交道的蛋白。
参考文献
- Voet, Donald; Voet, Judith G.; Pratt, Charlotte W.; Tamiya, nobuo; Yagi, tatsuhiko; Endo, toshiya; Yoshihisa, toru; 田宮, 信雄(1922-2011); 八木, 達彦(1933- ). . 東京化学同人 https://www.worldcat.org/oclc/1022202113. 2017. ISBN 978-4-8079-0925-4. OCLC 1022202113. 缺少或
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维基共享资源上的相关多媒体资源：Β桶状结构 |
- Explanation of all-beta topologies （页面存档备份，存于）: "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. （页面存档备份，存于）
- General classification and images of protein structures from Jane Richardson lab
- Images and examples of transmembrane beta-barrels （页面存档备份，存于）
- Stockholm Bioinformatics Center review of transmembrane proteins
- The Lipocalin Website
- The OMPdb database for beta-barrel proteins
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