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Figure 3.
Figure 3: Interactions of FMN analogues with the riboswitch.
a, All-atom superposition of the ligand-binding pocket for
riboflavin-bound (blue and green) and FMN-bound (grey)
riboswitches. Nucleotides in green are positioned within
hydrogen-bond distances of the ribityl moiety of riboflavin. b,
Superposition of riboflavin-bound (blue) and roseoflavin-bound
(pink and green) riboswitches, depicted as in a. c, Surface view
inside of the FMN-bound riboswitch with large openings shown
with red arrows.
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