title: DNA topology: dynamic DNA looping.
abstract: The DNA in repressive loops is often tightly bent. DNA flexibility imposes significant constraints on their topology suggesting that they may exist as perturbations in plectonemic DNA.
authors.affiliation: MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK. aat@mrc-lmb.cam.ac.uk
authors.forename: Andrew
authors.initials: A
authors.lastname: Travers
mesh_terms: D001665:Binding Sites; D004247:DNA / Q000737:chemistry*; D004268:DNA-Binding Proteins / Q000737:chemistry; D004926:Escherichia coli / Q000235:genetics; D005786:Gene Expression Regulation / Q000502:physiology; D007763:Lac Operon; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D012097:Repressor Proteins / Q000737:chemistry / Q000502:physiology
chemical_list: D004268:DNA-Binding Proteins; D012097:Repressor Proteins; D004247:DNA