>2yie_X mol:na length:54 FMN RIBOSWITCH
GGAUCUUCGGGGCAGGGUGAAAUUCCCGACCGGUGGUAUAGUCCACGAAUCCAU
>2yie_Z mol:na length:57 FMN RIBOSWITCH
GGAUUGAUUUGGUGAAAUUCCAAAACCGACAGUAGAGUCUGGAUGAGAGAAGAUUCG