>4fen_B mol:na length:67 A24U/U25A/A46G mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain GGACAUAUAUACGCGUGGAUAUGGCACGCGAGUUUCUACCGGGCACCGUAAAUGUCCGA CUAUGUCC >4fen_B mol:na length:67 A24U/U25A/A46G mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain GGACAUAUAUACGCGUGGAUAUGGCACGCGAGUUUCUACCGGGCACCGUAAAUGUCCGA CUAUGUCC