Article
Three-dimensional architecture of membrane-embedded MscS in the closed conformation.
Journal of molecular biology - 18 Apr 2008
Vásquez Valeria, Sotomayor Marcos, Cortes D Marien, Roux Benoît, Schulten Klaus, Perozo Eduardo
Abstract excerpt
The mechanosensitive channel of small conductance (MscS) is part of a coordinated response to osmotic challenges in Escherichia coli. MscS opens as a result of membrane tension changes, thereby releasing small solutes and effectively acting as an osmotic safety valve. Both the functional state depicted by its crystal structure and its gating mechanism remain unclear. Here, we combine site-directed spin labeling,...
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