Abstract
Bacillus cereus hemolysin II, a pore-forming β-barrel toxin (HlyII), has a C-terminal extension of 94 amino acid residues, designated as the C-terminal domain of HlyII (HlyIICTD). HlyIICTD is capable of forming oligomers in aqueous solutions. Oligomerization of HlyIICTD significantly increased in the presence of erythrocytes and liposomes. Its affinity for erythrocytes of various origins differed insignificantly but was noticeably higher for T-cells. HlyIICTD destroyed THP-1 monocytes and J774 macrophages, acted most effectively on Jurkat T-lymphocytes and had virtually no impact on B-cell lines. HlyIICTD was able to form ion-conducting channels on an artificial bilayer membrane.
Published Version
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More From: International journal of biological macromolecules
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