Article
A dynamic model of long-range conformational adaptations triggered by nucleotide binding in GroEL-GroES.
Proteins - 1 Oct 2012
Skjaerven Lars, Muga Arturo, Reuter Nathalie, Martinez Aurora
Abstract excerpt
The molecular chaperone, GroEL, essential for correct protein folding in E. coli, is composed of 14 identical subunits organized in two interacting rings, each providing a folding chamber for non-native substrate proteins. The oligomeric assembly shows positive cooperativity within each ring and negative cooperativity between the rings. Although it is well known that ATP and long-range allosteric interactions...
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