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Contact: Denise Brehm
Massachusetts Institute of Technology, Department of Civil and Environmental Engineering

Beta-Sheet Protein

Caption: This figure shows the structure of a beta-sheet protein, Z1-Z2 telethonin complex, in the giant muscle protein titin. The inset shows the orientation of the protein backbone of three beta strands (in purple) with hydrogen bonds (yellow) holding the assembly together. Using simulation and theory, Buehler and Keten found that hydrogen bonds in beta-sheet structures break in clusters of three or four, even in the presence of many more bonds.

Credit: Sinan Keten and Markus Buehler

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