Article
Structural basis for pore-forming mechanism of staphylococcal α-hemolysin.
Toxicon : official journal of the International Society on Toxinology - 15 Dec 2015
Sugawara Takaki, Yamashita Daichi, Kato Koji, Peng Zhao, Ueda Junki, Kaneko Jun, Kamio Yoshiyuki, Tanaka Yoshikazu, Yao Min
Abstract excerpt
Staphylococcal α-hemolysin (α-HL) is a β-barrel pore-forming toxin (PFT) expressed by Staphylococcus aureus. α-HL is secreted as a water-soluble monomeric protein, which binds to target membranes and forms membrane-inserted heptameric pores. To explore the pore-forming mechanism of α-HL in detail, we determined the crystal structure of the α-HL monomer and prepore using H35A mutant and W179A/R200A mutant,...
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