Abstract:Understanding how the mechanical properties of a protein complex emerge from the interplay of intra- and interchain interactions is vital at both fundamental and applied levels. To investigate whether interdomain cooperativity affects protein mechanical strength, we employed single-molecule force spectroscopy to probe the mechanical stability of GroES, a homoheptamer with a domelike quaternary stucture stabilized by intersubunit interactions between the first and last β-strands of adjacent domains. A GroES var… Show more
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