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Promoter region of fliDSorf126orf96 operon. The promoter region of fliDSorf126orf96 used for β-galactosidase assays included the complete coding sequence of the flaG gene and extended into the coding region of fliD. The primers used for the β-galactosidase experiments, RER36 and RER40, are shown. In the upstream sequence, the four putative RpoN binding sites (YTGGYAYR-N3-YYTGCW) are underlined and the −10 and −35 elements of the ς70 binding site (TTGACA-N17-TATAAT) are in boldface.
