4lx6	A	71	2.15	RF00167	URS000080DD7A_672	24971878			0009113		672	ggcuucauauaauccgaaugauaugguuucggagcuuccaccaagagccuuaaacucuugacuaugaaguc	<<<<<<<<<...<<<<<<......<<.>>>>>>........<<<<<<>>.....>>>>>>..>>>>>>>>>	((((((((((..((((((......[[.))))))[.....)]((((((]].....))))))..)))))))))	X-ray crystal structure of the M6C"" riboswitch aptamer bound to 2-aminopyrimido[4,5-d]pyrimidin-4(3H)-one (PPAO); Mutated adenine riboswitch aptamer