Direct and Indirect Interactions Promote Complexes of the Lipoprotein LbcA, the CtpA Protease and Its Substrates, and Other Cell Wall Proteins in Pseudomonas aeruginosa.

Abstract excerpt

The Pseudomonas aeruginosa lipoprotein LbcA was discovered because it copurified with and promoted the activity of CtpA, a carboxyl-terminal processing protease (CTP) required for type III secretion system function and virulence in a mouse model of acute pneumonia. In this study, we explored the role of LbcA by determining its effect on the proteome and its participation in protein complexes. lbcA- and ctpA-null...

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