DNA topology: dynamic DNA looping.
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.
Travers
Andrew
A
MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK. aat@mrc-lmb.cam.ac.uk
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
D004268:DNA-Binding Proteins; D012097:Repressor Proteins; D004247:DNA