3f4g X 54 3.01 RF00050 URS000080DF4D_32630 19169240 0010181 32630 ggaucuucggggcagggugaaauucccgaccggugguauaguccacgaaagcuu ..............<<<.......>>>.....<<<<......>>>>........ ..............(((.......))).....((((......))))........ Crystal structure of the FMN riboswitch bound to riboflavin.; FMN riboswitch 3f4g Y 56 3.01 RF00050 URS000080E20B_32630 19169240 0010181 32630 gcuuugauuuggugaaauuccaaaaccgacaguagagucuggaugagagaagauuc .......<<<<<.......>>>>>.....<<<......>>>............... .......(((((.......))))).....(((......)))............... Crystal structure of the FMN riboswitch bound to riboflavin.; FMN riboswitch