Article
Mapping an Equilibrium Folding Intermediate of the Cytolytic Pore Toxin ClyA with Single-Molecule FRET.
The journal of physical chemistry. B - 13 Dec 2018
Dingfelder Fabian, Benke Stephan, Nettels Daniel, Schuler Benjamin
Abstract excerpt
The 303-residue cytolytic toxin ClyA forms a stable α-helical monomer. In the presence of detergents or membranes, however, the protein makes a large conformational transition to the protomer state, which is competent for assembly into a dodecameric cytolytic pore. In this study, we map the structure of the ClyA monomer during denaturant-induced unfolding with single-molecule Förster resonance energy transfer...
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