Deletion of the putative effector region of Era, an essential GTP-binding protein in Escherichia coli, causes a dominant-negative phenotype.


Era is an essential gene in E. coli, encoding a GTP-binding protein of unknown function. In the present work, a mutant designated Era-dE, for deletion of effector region is described. This is the first and only known era allele that confers a dominant-negative phenotype. Phenotypic analysis of the mutant showed that overproduction of Era-dE caused a… (More)

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