When cobalt hexammine is added to the solution, the central part of the shaft converts to Z-DNA and one DX molecule rotates about 3.5 turns relative to the other;

• 当六胺化钴加到水溶液后，把手中间部位就转变成Z-DNA，因此其中一个DX分子便相对旋转了大约3.；5转；