3g4m	A	67	2.4	RF00167	URS000080DDA1_1423	19523903			0009113		1423	ggacauauaaucgcguggauauggcacgcaaguuucuaccgggcaccguaaauguccgacuaugucc	<<<<<<<...<.<<<<<.....<<>>>>>.>........<<<<<<>>.....>>>>>>..>>>>>>>	.(((((((..(.(((((.....[[))))).)[.....)]((((((]].....))))))..)))))).	Crystal structure of guanine riboswitch bound to 2-aminopurine; Guanine riboswitch