| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6ZXD_2 | 56 | 6ZXD | pre-18S ribosomal RNA | 1873 | RF01960 |
| 6ZXE_2 | 56 | 6ZXE | pre-18S ribosomal RNA | 1873 | RF01960 |
| 6ZXF_2 | 56 | 6ZXF | pre-18S ribosomal RNA | 1874 | RF01960 |
| 6ZXG_2 | 56 | 6ZXG | pre-18S ribosomal RNA | 1869 | RF01960 |
| 6ZXH_2 | 56 | 6ZXH | pre-18S ribosomal RNA | 1869 | RF01960 |
| 6ZXZ_A | 25 | 6ZXZ | Sarcin-Ricin Loop RNA from Ecoli with a A2670-2'-OCF3 modification | 26 | - |
| 6ZXZ_B | 25 | 6ZXZ | Sarcin-Ricin Loop RNA from Ecoli with a A2670-2'-OCF3 modification | 26 | - |
| 6ZXZ_C | 25 | 6ZXZ | Sarcin-Ricin Loop RNA from Ecoli with a A2670-2'-OCF3 modification | 26 | - |
| 6ZYB_A | 25 | 6ZYB | Sarcin-Ricin Loop RNA from Ecoli with a C2667-2'-OCF3 modification | 27 | - |
| 6ZYM_2 | 601 | 6ZYM | U2 snRNA | 188 | RF00004 |
| 6ZYM_5 | 342 | 6ZYM | U5 snRNA | 116 | RF00020 |
| 6ZYM_6 | 343 | 6ZYM | U6 snRNA | 79 | RF00026 |
| 6ZYM_Y | 495 | 6ZYM | pre-mRNA | 324 | - |
| 6ZYM_Z | 477 | 6ZYM | pre-mRNA | 324 | - |
| 7A01_E1 | 774 | 7A01 | INTERNAL RIBOSOME ENTRY SITE | 153 | - |
| 7A01_e2 | 53 | 7A01 | 28S RIBOSOMAL RNA | 3825 | RF02543 |
| 7A01_h2 | 544 | 7A01 | 5.8S RIBOSOMAL RNA | 156 | RF00002 |
| 7A01_d2 | 27 | 7A01 | 5S RIBOSOMAL RNA | 120 | RF00001 |
| 7A01_K3 | 56 | 7A01 | 18S RIBOSOMAL RNA | 1801 | RF01960 |
| 7A09_2 | 56 | 7A09 | 18S ribosomal RNA | 1721 | RF01960 |
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