| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6UPX_R | 1 | 6UPX | RNA | 9 | - |
| 6UPY_R | 1 | 6UPY | RNA | 9 | - |
| 6UPZ_R | 1 | 6UPZ | RNA | 10 | - |
| 6UQ0_R | 1 | 6UQ0 | RNA | 10 | - |
| 6UQ1_R | 1 | 6UQ1 | RNA | 12 | - |
| 6UQ2_R | 1 | 6UQ2 | RNA | 9 | - |
| 6UQ3_R | 1 | 6UQ3 | RNA | 11 | - |
| 6URO_D | 551 | 6URO | PAS RNA | 47 | - |
| 6UU5_333 | 284 | 6UU5 | RNA 6-mer (dinucleotide GpA primed synthesis) | 6 | - |
| 6UU8_333 | 279 | 6UU8 | RNA 7-mer (de novo synthesized) | 7 | - |
| 6UU9_333 | 279 | 6UU9 | RNA 8-mer | 8 | - |
| 6UV1_C | 184 | 6UV1 | RNA rU10 | 10 | - |
| 6UV1_D | 184 | 6UV1 | RNA rU10 | 10 | - |
| 6UV2_C | 184 | 6UV2 | RNA 125a_oligo1 | 10 | - |
| 6UV3_B | 184 | 6UV3 | 125a-oligo2 | 10 | - |
| 6UV4_C | 184 | 6UV4 | 18a_oligo1 | 10 | - |
| 6UZ7_5 | 53 | 6UZ7 | 25S ribosomal RNA | 3364 | RF02543 |
| 6UZ7_7 | 27 | 6UZ7 | RNA (121-MER) | 121 | RF00001 |
| 6UZ7_8 | 544 | 6UZ7 | 5.8S ribosomal RNA | 2825 | RF02543,RF01960 |
| 6UZ7_2 | 56 | 6UZ7 | 18S ribosomal RNA | 1798 | RF01960 |
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