Article
Studies on the structure and mechanism of a bacterial protein toxin by analytical ultracentrifugation and small-angle neutron scattering.
Journal of molecular biology - 12 Nov 1999
Gilbert R J, Heenan R K, Timmins P A, Gingles N A, Mitchell T J, Rowe A J, Rossjohn J, Parker M W, Andrew P W, Byron O
Abstract excerpt
Pneumolysin, an important virulence factor of the human pathogen Streptococcus pneumoniae, is a pore-forming toxin which also possesses the ability to activate the complement system directly. Pneumolysin binds to cholesterol in cell membrane surfaces as a prelude to pore formation, which involves the oligomerization of the protein. Two important aspects of the pore-forming activity of pneumolysin are therefore...
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