>4feo_B mol:na length:67 U25A/A46G/C74U mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain GGACAUAUAAACGCGUGGAUAUGGCACGCGAGUUUCUACCGGGCACCGUAAAUGUCCGA UUAUGUCC >4feo_B mol:na length:67 U25A/A46G/C74U mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain GGACAUAUAAACGCGUGGAUAUGGCACGCGAGUUUCUACCGGGCACCGUAAAUGUCCGA UUAUGUCC