Figure 8
Models of A-DNA (red), BI-DNA (blue) and hypothetical BII-DNA (grey) based on the superposition of building blocks formed by base-paired dinucleotides with structures of NtC classes AA00, BB00 and BB07, respectively. The top images are rotated to show the minor groove in the middle of the duplexes; the bottom images are viewed along the helical axes. |