Article
Increased stability upon heptamerization of the pore-forming toxin aerolysin.
The Journal of biological chemistry - 17 Dec 1999
Lesieur C, Frutiger S, Hughes G, Kellner R, Pattus F, van der Goot F G
Abstract excerpt
Aerolysin is a bacterial pore-forming toxin that is secreted as an inactive precursor, which is then processed at its COOH terminus and finally forms a circular heptameric ring which inserts into membranes to form a pore. We have analyzed the stability of the precursor proaerolysin and the heptameric complex. Equilibrium unfolding induced by urea and guanidinium hydrochloride was monitored by measuring the...
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