| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 4TZZ_B | 14 | 4TZZ | engineered tRNAGly | 75 | RF00005 |
| 4TZZ_C | 410 | 4TZZ | T-box Stem I RNA | 102 | - |
| 4TZZ_E | 14 | 4TZZ | engineered tRNAGly | 75 | RF00005 |
| 4TZZ_F | 410 | 4TZZ | T-box Stem I RNA | 102 | - |
| 4TZZ_H | 14 | 4TZZ | engineered tRNAGly | 75 | RF00005 |
| 4TZZ_I | 410 | 4TZZ | T-box Stem I RNA | 102 | - |
| 4TZZ_K | 14 | 4TZZ | engineered tRNAGly | 75 | RF00005 |
| 4TZZ_L | 410 | 4TZZ | T-box Stem I RNA | 102 | - |
| 4U1U_AA | 56 | 4U1U | 16S rRNA | 1539 | RF00177 |
| 4U1U_BA | 53 | 4U1U | 23S rRNA | 2903 | RF02541 |
| 4U1U_BB | 27 | 4U1U | 5S rRNA | 119 | RF00001 |
| 4U1U_CA | 56 | 4U1U | 16S rRNA | 1539 | RF00177 |
| 4U1U_DA | 53 | 4U1U | 23S rRNA | 2903 | RF02541 |
| 4U1U_DB | 27 | 4U1U | 5S rRNA | 119 | RF00001 |
| 4U1V_AA | 56 | 4U1V | 16S rRNA | 1539 | RF00177 |
| 4U1V_BA | 53 | 4U1V | 23S rRNA | 2903 | RF02541 |
| 4U1V_BB | 27 | 4U1V | 5S rRNA | 119 | RF00001 |
| 4U1V_CA | 56 | 4U1V | 16S rRNA | 1539 | RF00177 |
| 4U1V_DA | 53 | 4U1V | 23S rRNA | 2903 | RF02541 |
| 4U1V_DB | 27 | 4U1V | 5S rRNA | 119 | RF00001 |
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