Article
H-NS cooperative binding to high-affinity sites in a regulatory element results in transcriptional silencing.
Nature structural & molecular biology - 1 May 2007
Bouffartigues Emeline, Buckle Malcolm, Badaut Cyril, Travers Andrew, Rimsky Sylvie
Abstract excerpt
H-NS is a protein of the bacterial nucleoid involved in DNA compaction and transcription regulation. In vivo, H-NS selectively silences specific genes of the bacterial chromosome. However, many studies have concluded that H-NS binds sequence-independently to DNA, leaving the molecular basis for its selectivity unexplained. We show that the negative regulatory element (NRE) of the supercoiling-sensitive...
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