Table 3.
Riboswitch classes that have not been found in tandem arrangements.
| Coenzymes | RNA Derivatives | Elemental Ions | Others |
|---|---|---|---|
| AqCbl | ADP PRA PreQ1-I PreQ1-II PreQ1-III | Mn2+ Mg2+-II Na+-II | Azaaromatic Guanidine-I Guanidine-III Guanidine-IV glmS |
| NAD+-II | Xanthine-I Xanthine-II 2’-dG-I | Fluoride NiCo | |
| SAH | 2’-dG-II | ||
| SAM-SAH SAM-III SAM-VI THF-II | 2’-dG-III |