#leukocidin
Leukocidin
Pore-forming toxin produced by the bacteria Staphylococcus
A leukocidin is a type of cytotoxin created by some types of bacteria (Staphylococcus). It is a type of pore-forming toxin. The model for pore formation is step-wise. First, the cytotoxin's "S" subunit recognizes specific protein-containing receptors, or an integrin on the host cell's surface. The S subunit then recruits a second, "F" subunit, and the two subunits dimerize on the surface of the host's cell. After dimerization, oligomerization occurs. Finally, the oligomers, consisting of alternating S and F subunits, undergo a significant structural change and form a beta-barrel, that pierces through the host cell’s lipid bilayer.
Sun 30th
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