3fo4 A 63 1.9 RF00167 URS000080E134_1423 19523903 0009113 1423 acauauaaucgcguggauauggcacgcaaguuucuaccgggcaccguaaauguccgauuaugu <<<<<...<.<<<<<.....<<>>>>>.>........<<<<<<>>.....>>>>>>..>>>>> ((((((..(.(((((.....[[))))).)[.....)]((((((]].....))))))..))))) Crystal structure of guanine riboswitch C74U mutant bound to 6-chloroguanine; Guanine riboswitch C74U mutant 3ger A 67 1.7 RF00167 URS000080DDA1_1423 19523903 0009113 1423 ggacauauaaucgcguggauauggcacgcaaguuucuaccgggcaccguaaauguccgacuaugucc <<<<<<<...<.<<<<<.....<<>>>>>.>........<<<<<<>>.....>>>>>>..>>>>>>> ((((((((..(.(((((.....[[))))).)[.....)]((((((]].....))))))..))))))) Guanine riboswitch bound to 6-chloroguanine; Guanine riboswitch 3gog A 65 2.1 RF00167 URS000080DDBB_1423 19523903 0009113 1423 gacauguaaucgcguggauauggcacgcaaguuucuaccgggcaccguaaauguccgaccauguc <<<<<<...<.<<<<<.....<<>>>>>.>........<<<<<<>>.....>>>>>>..>>>>>> (((((((..(.(((((.....[[))))).)[.....)]((((((]].....))))))..)))))) Guanine riboswitch A21G,U75C mutant bound to 6-chloroguanine; Guanine riboswitch