BIOCHEMISTRY, BIOPHYSICS AND COMPUTATIONAL BIOLOGY Correction to Supporting Information for “Bioinformatic analysis of riboswitch structures uncovers variant classes with altered ligand specificity,” by Zasha Weinberg, James W. Nelson, Christina E. Lünse, Madeline E. Sherlock, and Ronald R. Breaker, which was first published March 6, 2017; 10.1073/pnas.1619581114 (Proc Natl Acad Sci USA 114:E2077–E2085).
The authors note that Fig. S6 in the SI Appendix appeared incorrectly. The SI Appendix has been corrected online.