Estrutura de um quadrúplex de DNA

Synopsis: structure of a DNA quadruplex formed by telomere repeats. The conformation of the DNA backbone is different from the typical helical structure.
Source: "Parallel telomere quadruple" by Thomas Splettstoesser (www.scistyle.com) - self-made using the open source program PyMOL vizualization. Licensed under Creative Commons Attribution-Share Alike 3.0, via Wikimedia Commons.
URL: http://commons.wikimedia.org/wiki/File:Parallel_telomere_quadruple.png#mediaviewer/File:Parallel_telomere_quadruple.png