streptolysin o

Streptolysin O causes both lysis of cells and cardiotoxicity. Streptolysin O is widely used for the controlled permeabilization of cell membranes. Streptolysin O exists in two forms, a reduced active state and an oxidized reversibly inactive state .

SpeB cysteineprotease是一种有效的修饰酶，具备分解对宿主和细菌免疫具有重要性的蛋白质的能力。它能够分解含在细胞外囊泡中的链球菌溶血素O (SLO)。