Article
ShlB mutants of Serratia marcescens allow uncoupling of activation and secretion of the ShlA hemolysin.
International journal of medical microbiology : IJMM - 1 Oct 2000
Yang F L, Braun V
Abstract excerpt
The ShlB protein in the outer membrane of Serratia marcescens secretes hemolytic ShlA protein into the culture medium. In the absence of ShlB, nonhemolytic ShlA remains in the periplasm. ShlB mutants were isolated in which secretion was uncoupled from activation. Mutants with a tetrapeptide insertion after residues 136 or 224 of mature ShlB and a mutant with an insertion after residue 154 and a deletion secreted...
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