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. 2007 Mar 29;35(7):2440–2450. doi: 10.1093/nar/gkm009

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© 2007 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 8. — (A) The top view of the adenine triple (red) capping the top G-tetrad (cyan). The distance is 2.05 Å for A3H62/A21N1, and 2.27 Å for A21H2/A3N7, respectively. (B) The bottom view of the A25:T14 base pair (adenine in red and thymine in green) capping the bottom G-tetrad (blue). Figures are prepared using PyMOL.