Article
Autoproteolysis of YscU of Yersinia pseudotuberculosis is important for regulation of expression and secretion of Yop proteins.
Journal of bacteriology - 1 Jul 2009
Björnfot Ann-Catrin, Lavander Moa, Forsberg Ake, Wolf-Watz Hans
Abstract excerpt
YscU of Yersinia can be autoproteolysed to generate a 10-kDa C-terminal polypeptide designated YscU(CC). Autoproteolysis occurs at the conserved N downward arrowPTH motif of YscU. The specific in-cis-generated point mutants N263A and P264A were found to be defective in proteolysis. Both mutants expressed and secreted Yop proteins (Yops) in calcium-containing medium (+Ca(2+) conditions) and calcium-depleted medium...
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