>3f4g_X mol:na length:54 FMN riboswitch GGAUCUUCGGGGCAGGGUGAAAUUCCCGACCGGUGGUAUAGUCCACGAAAGCUU >3f4g_Y mol:na length:56 FMN riboswitch GCUUUGAUUUGGUGAAAUUCCAAAACCGACAGUAGAGUCUGGAUGAGAGAAGAUUC