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phage shock protein B
phage shock protein B is a cytoplasmic membrane protein that is part of a conserved extracytoplasmic stress response in bacteria
envelope stress response membrane protein PspB
This model describes the PspB protein of the psp (phage shock protein) operon, as found in Escherichia coli and many related species. Expression of a phage protein called secretin protein IV, and a number of other stresses including ethanol, heat shock, and defects in protein secretion trigger sigma-54-dependent expression of the phage shock regulon. PspB is both a regulator and an effector protein of the phage shock response.
DNA-binding transcriptional regulator; acts together with PspC to induce psp operon during infection with phage, exposure to ethanol or osmotic shock; forms a complex with PspA and C; PspC is required for PspAB binding
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