A DNAseI footprinting assay demonstrated that the TetR-type transcriptional regulator RcdA binds to four high-affinity sites between -308 upstream of the csgD transcription start site .
A DNAseI footprinting assay demonstrated that the TetR-type transcriptional regulator RcdA binds to four high-affinity sites between -192 upstream of the csgD transcription start site .