Mutant MotB proteins in Escherichia coli.


The MotB protein of Escherichia coli is an essential component in each of eight torque generators in the flagellar rotary motor. Based on its membrane topology, it has been suggested that MotB might be a linker that fastens the torque-generating machinery to the cell wall. Here, we report the isolation and characterization of a number of motB mutants. As… (More)


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