but unlike righthanded B-DNA, which has major and minor grooves between the twists of its sugar-phosphate backbones, Z-DNA’s grooves show little difference in width. In addition, every other base in a ...

Instead of binding to DNA through the insertion of an α-helix into the DNA major groove — a motif which is used by the ubiquitous helix–turn–helix family of transcription factors — RHH ...