| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6X4Y_R | 1 | 6X4Y | RNA (20-mer) | 21 | - |
| 6X50_R | 1 | 6X50 | RNA (20-mer) | 20 | - |
| 6X5M_R | 88 | 6X5M | ggPAN RNA (39-MER) | 78 | - |
| 6X5M_A | 360 | 6X5M | ggcA9 RNA (12-MER) | 12 | - |
| 6X5M_r | 88 | 6X5M | ggPAN RNA (39-MER) | 78 | - |
| 6X5M_a | 360 | 6X5M | ggcA9 RNA (12-MER) | 12 | - |
| 6X5N_R | 88 | 6X5N | ggPAN RNA (39-MER) | 78 | - |
| 6X5N_A | 360 | 6X5N | ggcA9 RNA (12-MER) | 12 | - |
| 6X5N_r | 88 | 6X5N | ggPAN RNA (39-MER) | 78 | - |
| 6X5N_a | 360 | 6X5N | ggcA9 RNA (12-MER) | 12 | - |
| 6X6T_7 | 755 | 6X6T | mRNA with 24 nt long spacer | 41 | - |
| 6X6T_A | 14 | 6X6T | E-site and P-site tRNA (fMet) | 76 | RF00005 |
| 6X6T_B | 14 | 6X6T | E-site and P-site tRNA (fMet) | 76 | RF00005 |
| 6X6T_D | 56 | 6X6T | 16S rRNA | 1542 | RF00177 |
| 6X6T_a | 53 | 6X6T | 23S rRNA | 2904 | RF02541 |
| 6X6T_d | 27 | 6X6T | 5S rRNA | 120 | RF00001 |
| 6X7F_7 | 755 | 6X7F | mRNA with 24 nt long spacer | 41 | - |
| 6X7F_A | 14 | 6X7F | E-site and P-site tRNA (fMet) | 76 | RF00005 |
| 6X7F_B | 14 | 6X7F | E-site and P-site tRNA (fMet) | 76 | RF00005 |
| 6X7F_D | 56 | 6X7F | 16S rRNA | 1542 | RF00177 |
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