Autoproteolytic Activation of Bacterial Toxins
AbstractProtease domains within toxins typically act as the primary effector domain within target cells. By contrast, the primary function of the cysteine protease domain (CPD) in Multifunctional Autoprocessing RTX-like (MARTX) and Clostridium sp. glucosylating toxin families is to proteolytically cleave the toxin and release its cognate effector domains. The CPD becomes activated upon binding to the eukaryotic-specific small molecule, inositol hexakisphosphate (InsP6), which is found abundantly in the eukaryotic cytosol. This property allows the CPD to spatially and temporally regulate toxin activation, making it a prime candidate for developing anti-toxin therapeutics. In this review, we summarize recent findings related to defining the regulation of toxin function by the CPD and the development of inhibitors to prevent CPD-mediated activation of bacterial toxins.
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Shen, A. Autoproteolytic Activation of Bacterial Toxins. Toxins 2010, 2, 963-977.
Shen A. Autoproteolytic Activation of Bacterial Toxins. Toxins. 2010; 2(5):963-977.Chicago/Turabian Style
Shen, Aimee. 2010. "Autoproteolytic Activation of Bacterial Toxins." Toxins 2, no. 5: 963-977.