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. 2011 Oct 20;6(10):e26691. doi: 10.1371/journal.pone.0026691

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Niwayama et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A. Stick representation view along the DNA long axis. Pyrene-4-maleimide attached to DNA_14-14c and DNA_14-12c is shown in green and red, respectively. Pyrene maleimide attached to DNA_14-14c is shown in blue. The 5′ thiol was present in the 14-bp long strand in all cases. The 3′ thiol was present in the 14-bp or 12-bp long complementary strands. B. Stick representation view perpendicular to that in panel A. Only the pyrenes are shown for clarity. Color coding as in panel A. See Materials and Methods for details.