| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6DLS_A | 506 | 6DLS | PRPP Riboswitch | 107 | - |
| 6DLT_A | 506 | 6DLT | PRPP Riboswitch | 107 | - |
| 6DMC_A | 506 | 6DMC | ppGpp Riboswitch | 102 | - |
| 6DMC_B | 506 | 6DMC | ppGpp Riboswitch | 102 | - |
| 6DMD_A | 506 | 6DMD | ppGpp Riboswitch | 102 | - |
| 6DMD_B | 506 | 6DMD | ppGpp Riboswitch | 102 | - |
| 6DME_A | 506 | 6DME | ppGpp Riboswitch | 102 | - |
| 6DN1_X | 296 | 6DN1 | RNA RIBOSWITCH | 54 | - |
| 6DN1_Z | 296 | 6DN1 | RNA (57-MER) | 57 | - |
| 6DN2_X | 296 | 6DN2 | RNA RIBOSWITCH | 54 | - |
| 6DN2_Y | 296 | 6DN2 | RNA (56-MER) | 56 | - |
| 6DN3_X | 296 | 6DN3 | RNA RIBOSWITCH | 54 | - |
| 6DN3_Y | 296 | 6DN3 | RNA (56-MER) | 56 | - |
| 6DNC_A | 56 | 6DNC | 16S ribosomal RNA | 1539 | RF00177 |
| 6DNC_B | 53 | 6DNC | 23S ribosomal RNA | 2903 | RF02541 |
| 6DNC_C | 27 | 6DNC | 5S ribosomal RNA | 120 | RF00001 |
| 6DNC_D | 14 | 6DNC | tRNA(fMet) | 77 | RF00005 |
| 6DNC_KA | 546 | 6DNC | mRNA | 27 | - |
| 6DNC_LA | 14 | 6DNC | tRNA(fMet) | 77 | RF00005 |
| 6DNH_E | 150 | 6DNH | RNA (5'-R(P*AP*AP*UP*AP*AP*AP*C)-3') | 17 | - |
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