Beta sheet
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The β sheet (also β-pleated sheet) is the second form of regular secondary structure in proteins, only somewhat less common than the alpha helix. Beta sheets consist of beta strands connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet. A beta strand (also β strand) is a stretch of polypeptide chain typically 3 to 10 amino acids long with backbone in an almost fully extended conformation. The higher-level association of β sheets has been implicated in formation of the protein aggregates and fibrils observed in many human diseases, notably the amyloidoses such as Alzheimer's disease.
- See also: Wikipedia
- Related: Folding (chemistry), Tertiary structure, Collagen helix, Foldamers
| NetSurfP - Secondary Structure and Surface Accessi... NetSurfP - Secondary Structure and Surface Accessibility predictor www.cbs.dtu.dk/services/NetSurfP/ - Web |
| Interactive model of an anti-parallel β sheet Interactive model of an anti-parallel β sheet www2.ufp.pt/~pedros/anim/2frame_sheeten.htm - Web |
| Interactive model of a parallel β sheet Interactive model of a parallel β sheet www2.ufp.pt/~pedros/anim/2frame_psheeten.htm - Web |
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| Animated details of β-pleated sheet Animated details of β-pleated sheet www3.interscience.wiley.com:8100/.../8-16.html - Web |
| Monooxygenase Monooxygenase www.pdb.org/pdb/explore/explore.do?structureId=2Y6Q - Web |
