| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 4WRO_13 | 56 | 4WRO | 16S ribosomal RNA | 1522 | RF00177 |
| 4WRO_1L | 14 | 4WRO | tRNA-Phe | 76 | RF00005 |
| 4WRO_2L | 14 | 4WRO | tRNA-fMet | 77 | RF00005 |
| 4WRO_3L | 14 | 4WRO | tRNA-Phe | 76 | RF00005 |
| 4WRO_4L | 546 | 4WRO | RNA (30-MER) | 30 | - |
| 4WRO_14 | 53 | 4WRO | 23S ribosomal RNA | 2917 | RF02541 |
| 4WRO_1K | 14 | 4WRO | tRNA-Phe | 76 | RF00005 |
| 4WRO_2K | 14 | 4WRO | tRNA-fMet | 77 | RF00005 |
| 4WRO_3K | 14 | 4WRO | tRNA-Phe | 76 | RF00005 |
| 4WRO_4K | 546 | 4WRO | RNA (30-MER) | 30 | - |
| 4WRO_1H | 53 | 4WRO | 23S ribosomal RNA | 2917 | RF02541 |
| 4WRO_1J | 27 | 4WRO | 5S ribosomal RNA | 122 | RF00001 |
| 4WRO_16 | 27 | 4WRO | 5S ribosomal RNA | 122 | RF00001 |
| 4WRO_1G | 56 | 4WRO | 16S ribosomal RNA | 1522 | RF00177 |
| 4WRT_R | 446 | 4WRT | Influenza virus polymerase vRNA promoter 3' end | 18 | - |
| 4WRT_V | 447 | 4WRT | Influenza virus polymerase vRNA promoter 5' end | 14 | - |
| 4WSA_R | 446 | 4WSA | Influenza B vRNA promoter 3' end | 18 | - |
| 4WSA_V | 447 | 4WSA | Influenza B vRNA promoter 5' end | 14 | - |
| 4WSB_R | 1 | 4WSB | Influenza A polymerase vRNA promoter 3' end | 18 | - |
| 4WSB_V | 447 | 4WSB | Influenza A polymerase vRNA promoter 5' end | 16 | - |
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