In this issue, Batey and colleagues show that the purine riboswitch is able to bind purine analogs by exploiting various strategies, including lateral shifts of the bases and, most importantly, changes in ligand tautomeric form. © 2009 Elsevier Ltd. All rights reserved.
Fritsch, V., & Westhof, E. (2009, June 10). Molecular Adaptation in RNA Complexes. Structure. https://doi.org/10.1016/j.str.2009.05.005