| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 4RKV_A | 73 | 4RKV | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RKV_B | 73 | 4RKV | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RMO_B | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_D | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_F | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_H | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_J | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_L | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_N | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RMO_P | 43 | 4RMO | RNA (45-MER) | 45 | - |
| 4RNE_A | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_B | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_C | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_D | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_E | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_F | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_G | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RNE_H | 73 | 4RNE | RNA (5'-R(*UP*GP*GP*GP*GP*U)-3') | 6 | - |
| 4RQE_B | 14 | 4RQE | selenocysteine tRNA | 90 | RF01852 |
| 4RQE_D | 14 | 4RQE | selenocysteine tRNA | 90 | RF01852 |
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