| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1YJN_0 | 53 | 1YJN | 23S Ribosomal RNA | 2922 | RF02540 |
| 1YJN_9 | 27 | 1YJN | 5S Ribosomal RNA | 122 | RF00001 |
| 1YJW_0 | 53 | 1YJW | 23S RIBOSOMAL RNA | 2922 | RF02540 |
| 1YJW_9 | 27 | 1YJW | 5S RIBOSOMAL RNA | 122 | RF00001 |
| 1YKQ_A | 1 | 1YKQ | Diels-Alder ribozyme | 11 | - |
| 1YKQ_B | 44 | 1YKQ | Diels-Alder ribozyme | 38 | - |
| 1YKQ_C | 1 | 1YKQ | Diels-Alder ribozyme | 11 | - |
| 1YKQ_D | 44 | 1YKQ | Diels-Alder ribozyme | 38 | - |
| 1YKV_A | 1 | 1YKV | Diels-Alder ribozyme | 11 | - |
| 1YKV_B | 44 | 1YKV | Diels-Alder ribozyme | 38 | - |
| 1YKV_C | 1 | 1YKV | Diels-Alder ribozyme | 11 | - |
| 1YKV_D | 44 | 1YKV | Diels-Alder ribozyme | 38 | - |
| 1YLG_A | 44 | 1YLG | apolipoprotein B mRNA | 31 | - |
| 1YLS_A | 156 | 1YLS | RNA Diels-Alder ribozyme | 11 | - |
| 1YLS_B | 44 | 1YLS | RNA Diels-Alder ribozyme | 38 | - |
| 1YLS_C | 156 | 1YLS | RNA Diels-Alder ribozyme | 11 | - |
| 1YLS_D | 44 | 1YLS | RNA Diels-Alder ribozyme | 38 | - |
| 1YMO_A | 157 | 1YMO | Telomerase RNA P2b-P3 pseudoknot | 47 | - |
| 1YN1_A | 113 | 1YN1 | VS RIBOZYME STEM-LOOP V | 17 | - |
| 1YN2_A | 113 | 1YN2 | VS RIBOZYME STEM-LOOP V | 17 | - |
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