| 1 | 4FEN|1|B (rep) | | A24U/U25A/A46G mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the A24U/U25A/A46G mutant xpt-pbuX guanine riboswitch aptamer domain in complex with hypoxanthine | X-ray diffraction | 1.35 | 67 | 2013-02-27 |
| 2 | 4FEO|1|B | | U25A/A46G/C74U mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the AU25A/A46G/C74U mutant xpt-pbuX guanine riboswitch aptamer domain in complex with 2,6-diaminopurine | X-ray diffraction | 1.6 | 67 | 2013-02-27 |
| 3 | 4FEL|1|B | | U25A/A46G mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the U25A/A46G mutant of the xpt-pbuX guanine riboswitch aptamer domain in complex with hypoxanthine | X-ray diffraction | 1.6 | 67 | 2013-02-27 |
| 4 | 4FEP|1|B | | A24U/U25A/A46G/C74U mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the A24U/U25A/A46G/C74U mutant xpt-pbuX guanine riboswitch aptamer domain in complex with 2,6-diaminopurine | X-ray diffraction | 1.65 | 67 | 2013-02-27 |
| 5 | 4FEJ|1|B | | A24U mutant of the B. subtilis xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the A24U mutant xpt-pbuX guanine riboswitch aptamer domain in complex with hypoxanthine | X-ray diffraction | 1.5 | 67 | 2013-02-27 |
| 6 | 4FE5|1|B | | xpt-pbuX guanine riboswitch aptamer domain | | | | Crystal structure of the xpt-pbuX guanine riboswitch aptamer domain in complex with hypoxanthine | X-ray diffraction | 1.32 | 67 | 2012-06-27 |
| 7 | 2XNZ|1|A | Purine riboswitch | Guanine riboswitch | Bacillus subtilis | Bacteria | RF00167 | xpt-pbuX C74U Riboswitch from B. subtilis bound to acetoguanamine identified by virtual screening | X-ray diffraction | 1.59 | 65 | 2011-04-06 |
| 8 | 2XNW|1|A | Purine riboswitch | GUANINE RIBOSWITCH | Bacillus subtilis | Bacteria | RF00167 | XPT-PBUX C74U RIBOSWITCH FROM B. SUBTILIS BOUND TO A TRIAZOLO- TRIAZOLE-DIAMINE LIGAND IDENTIFIED BY VIRTUAL SCREENING | X-ray diffraction | 1.5 | 65 | 2011-04-06 |
| 9 | 6UBU|1|B | Purine riboswitch | Guanine riboswitch aptamer domain | Bacillus subtilis | Bacteria | RF00167 | 1.60 A resolution structure of the guanine riboswitch bound to guanine | X-ray diffraction | 1.6 | 67 | 2020-07-22 |
| 10 | 6UC7|1|B | Purine riboswitch | guanine riboswitch | Bacillus subtilis | Bacteria | RF00167 | Structure of guanine riboswitch bound to N2-acetyl guanine | X-ray diffraction | 1.8 | 67 | 2020-07-22 |
| 11 | 3GOT|1|A | | Guanine riboswitch | | | | Guanine riboswitch C74U mutant bound to 2-fluoroadenine. | X-ray diffraction | 1.95 | 67 | 2009-06-23 |
| 12 | 6UC9|1|B | Purine riboswitch | Guanine riboswitch | Bacillus subtilis | Bacteria | RF00167 | Guanine riboswitch bound to O6-cyclohexylmethyl guanine | X-ray diffraction | 1.94 | 67 | 2020-07-22 |
| 13 | 6UC8|1|B | Purine riboswitch | Guanine riboswitch | Bacillus subtilis | Bacteria | RF00167 | Guanine riboswitch bound to 8-aminoguanine | X-ray diffraction | 1.9 | 67 | 2020-07-22 |
| 14 | 2G9C|1|A | | guanine riboswitch | | | | Modified pyrimidines Specifically bind the purine riboswitch | X-ray diffraction | 1.7 | 67 | 2006-11-21 |
| 15 | 2XO0|1|A | Purine riboswitch | GUANINE RIBOSWITCH | Bacillus subtilis | Bacteria | RF00167 | xpt-pbuX C74U Riboswitch from B. subtilis bound to 24-diamino-1,3,5- triazine identified by virtual screening | X-ray diffraction | 1.7 | 65 | 2011-04-06 |
| 16 | 3GAO|1|A | | Guanine riboswitch | | | | Crystal structure of the guanine riboswitch bound to xanthine. | X-ray diffraction | 1.9 | 67 | 2009-06-23 |
| 17 | 3GER|1|A | | Guanine riboswitch | | | | Guanine riboswitch bound to 6-chloroguanine | X-ray diffraction | 1.7 | 67 | 2009-06-23 |
| 18 | 2EES|1|A | | Guanine riboswitch | | | | Guanine riboswitch A21U, U75A mutant bound to hypoxanthine | X-ray diffraction | 1.75 | 67 | 2007-11-13 |
| 19 | 3DS7|1|A | | 67-MER | | | | Structure of an RNA-2'-deoxyguanosine complex | X-ray diffraction | 1.85 | 67 | 2009-02-17 |
| 20 | 2EET|1|A | | Guanine Riboswitch | | | | Guanine Riboswitch A21G, U75C mutant bound to hypoxanthine | X-ray diffraction | 1.95 | 67 | 2007-11-13 |
| 21 | 3FO4|1|A | | Guanine riboswitch C74U mutant | | | | Crystal structure of guanine riboswitch C74U mutant bound to 6-chloroguanine | X-ray diffraction | 1.9 | 63 | 2009-06-23 |
| 22 | 2EEV|1|A | | guanine riboswitch | | | | Guanine riboswitch U22C, A52G mutant bound to hypoxanthine | X-ray diffraction | 1.95 | 67 | 2007-11-13 |
| 23 | 3DS7|1|B | | 67-MER | | | | Structure of an RNA-2'-deoxyguanosine complex | X-ray diffraction | 1.85 | 67 | 2009-02-17 |
| 24 | 3FO6|1|A | | Guanine riboswitch | | | | Crystal structure of guanine riboswitch bound to 6-O-methylguanine | X-ray diffraction | 1.9 | 67 | 2009-06-23 |
| 25 | 2EEU|1|A | | Guanine riboswitch | | | | Guanine riboswitch U22A, A52U mutant bound to hypoxanthine | X-ray diffraction | 1.95 | 67 | 2007-11-13 |
| 26 | 2XO1|1|A | Purine riboswitch | Guanine riboswitch | Bacillus subtilis | Bacteria | RF00167 | xpt-pbuX C74U Riboswitch from B. subtilis bound to N6-methyladenine | X-ray diffraction | 1.6 | 65 | 2011-04-06 |