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. 2010 Sep 23;39(3):1155–1164. doi: 10.1093/nar/gkq823

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© The Author(s) 2010. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Quadruplex structure of the thrombin binding aptamer (TBA) (a), and its interaction with the thrombin anion exosite I according to X-ray (b) and NMR (c) studies (20). Thrombin is marked in gray, TBA is marked in red (dG) and blue (T).