Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1936506 | Biochemical and Biophysical Research Communications | 2008 | 6 Pages |
Abstract
There are many great reports of polyamine stabilization of the Z-DNA by bridge conformation between neighboring, symmetry-related Z-DNA in the packing of crystals. However, polyamine binding to the minor groove of Z-DNA and stabilizing the Z-DNA structure has been rarely reported. We proved that the synthesized polyamines bind to the minor groove of Z-DNA and stabilize the conformation under various conditions, by X-ray crystallographic study. These polyamines consist of a polyamine nano wire structure. The modes of the polyamine interaction were changed under different conditions. It is the first example that the crystals consisted of metal free structure. This finding provides a basis for clarifying B–Z transition mechanics.
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Biochemistry, Genetics and Molecular Biology
Biochemistry
Authors
Hirofumi Ohishi, Mamiko Odoko, Kazimierz Grzeskowiak, Yoichi Hiyama, Koji Tsukamoto, Naoyoshi Maezaki, Toshimasa Ishida, Tetsuaki Tanaka, Nobuo Okabe, Keiichi Fukuyama, Da-Yang Zhou, Kazuhiko Nakatani,