The AcrR protein is known in E. coli to repress transcription of the acrAB operon .
In S. enterica , AcrR represses expression of acrAB .
In E. coli , AcrR represses expression of acrAB .
AcrR repress the expression of acrAB .
AcrR are repressors of acrAB .
AcrR represses the expression of acrAB locally .