>2QBZ_1|Chain A[auth X]|M-Box RNA, ykoK riboswitch aptamer|null GGGCUUCGUUAGGUGAGGCUCCUGUAUGGAGAUACGCUGCUGCCCAAAAAUGUCCAAAGACGCCAAUGGGUCAACAGAAAUCAUCGACAUAAGGUGAUUUUUAAUGCAGCUGGAUGCUUGUCCUAUGCCAUACAGUGCUAAAGCUCUACGAUUGAAGCCCA