Article
Disulfide-bond scanning reveals assembly state and β-strand tilt angle of the PFO β-barrel.
Nature chemical biology - 1 Jun 2013
Sato Takehiro K, Tweten Rodney K, Johnson Arthur E
Abstract excerpt
Perfringolysin O (PFO), a bacterial cholesterol-dependent cytolysin, binds a mammalian cell membrane, oligomerizes into a circular prepore complex (PPC) and forms a 250-Å transmembrane β-barrel pore in the cell membrane. Each PFO monomer has two sets of three short α-helices that unfold and ultimately refold into two transmembrane β-hairpin (TMH) components of the membrane-embedded β-barrel. Interstrand...
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