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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Wiley Interdiscip Rev RNA. 2011 Sep 28;3(3):369–384. doi: 10.1002/wrna.114

Figure 6.

Figure 6

Cartoon and ball-and-stick diagrams of the T. tengcongensis preQ1-I riboswitch. (a) Cartoon diagram showing the tertiary structure of the riboswitch. The A-rich pseudoknotted tail is depicted in blue. The coordinates are from PDB entry 3Q50. (b) Ball-and-stick diagram of the structure in (a) depicting interactions between preQ1 and the aptamer. (c) The preQ1-binding site in the ligand-free state from PDB entry 3Q51.