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. Author manuscript; available in PMC: 2015 Jan 14.
Published in final edited form as: Nat Chem Biol. 2014 Aug 3;10(9):787–792. doi: 10.1038/nchembio.1607

Figure 1. Overall structure and schematics of the T. pseudethanolicus c-di-AMP riboswitch.

Figure 1

(a) Secondary structure schematic of the riboswitch fold observed in the crystal structure of the complex. Key base-specific hydrogen bonding and stacking interactions between ligand (magenta) and RNA nucleotides (squared) are shown as dashed magenta and black lines, respectively. (b) Overall c-di-AMP riboswitch structure in a ribbon representation showing front view. Ligands are in stick and surface representations.