Figure 2
From: Molecular-scale visualization and surface charge density measurement of Z-DNA in aqueous solution
FM-AFM image of the DNA having B–Z junctions. (a) High-resolution FM-AFM image of the DNA having B–Z junctions in the 50 mM NiCl2 solution. (b) Cross-sectional profile along the A–B polyline in (a). The red and blue arrows indicate the major and minor grooves, respectively.
