Schematic illustration of the DNA in various time intervals: (a) the initial B-form DNA duplex and the most dominant structures for the DNA duplex, (b) from 0 to 4.4 ns, (c) 4.4 to 15 ns, (d) 15 to 26 ns, (e) 26 to 36 ns, (f) 36 to 42.4 ns, (g) 42.4 to 54.6 ns, and (h) 54.6 to 82 ns.