2hom A 80 2.89 RF00059 URS000080E068_562 16962976 0030976 562 gcgacucggggugcccugcgugaaggcugagaaauacccguaucaccugaucuggauaaugccagcguagggaagucgca <<<<<<<<<<..<<<.........>>>.........>>>>.....<<<...<<<<......>>>>...>>>..>>>>>>. ((((((((((.((((.........)))......)..)))).....(((...((((......))))...)))..)))))). Crystal structure of an E. coli thi-box riboswitch bound to thiamine monophosphate; thi-box riboswitch