4nyc A 80 3.15 RF00059 URS000080E068_562 24768306 0030976 562 gcgacucggggugcccuucgugaaggcugagaaauacccguaucaccugaucuggauaaugccagcguagggaagucgcn <<<<<<<<<<..<<<.........>>>.........>>>>.....<<<...<<<<......>>>>...>>>..>>>>>>. ((((((((((.((((.........)))......)..)))).....(((...((((......))))...)))..)))))). Crystal structure of the E. coli thiM riboswitch in complex with thieno[2,3-b]pyrazin-7-amine; thiM TPP riboswitch