2hoo A 83 3.0 RF00059 URS000080E068_562 16962976 0030976 562 gcgacucggggugcccuucugcgugaaggcugagaaauacccguaucaccugaucuggauaaugccagcguagggaagucgca <<<<<<<<<<..<<<............>>>.........>>>>.....<<<...<<<<......>>>>...>>>..>>>>>>. ((((((((((.((((............)))......)..)))).....(((...((((......))))...)))..)))))). Crystal structure of an E. coli thi-box riboswitch bound to benfotiamine; thi-box riboswitch