| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 4ZER_1a | 56 | 4ZER | 16s ribosomal RNA | 1521 | RF00177 |
| 4ZER_1x | 14 | 4ZER | tRNA met | 76 | RF00005 |
| 4ZER_2A | 53 | 4ZER | 23s ribosomal RNA | 2915 | RF02541 |
| 4ZER_2B | 27 | 4ZER | 5s ribosomal RNA | 120 | RF00001 |
| 4ZER_2a | 56 | 4ZER | 16s ribosomal RNA | 1521 | RF00177 |
| 4ZER_2x | 14 | 4ZER | tRNA met | 76 | RF00005 |
| 4ZLD_B | 2 | 4ZLD | RNA (5'-R(*UP*AP*AP*CP*UP*UP*CP*UP*GP*UP*GP*AP*AP*GP*UP*UP*G)-3') | 17 | - |
| 4ZLR_C | 458 | 4ZLR | RNA (5'-R(*UP*UP*GP*UP*UP*GP*UP*UP*UP*UP*UP*UP*UP*U)-3') | 15 | - |
| 4ZNP_A | 453 | 4ZNP | pfI Riboswitch | 73 | RF01750 |
| 4ZNP_B | 453 | 4ZNP | pfI Riboswitch | 73 | RF01750 |
| 4ZSN_QA | 56 | 4ZSN | 16S rRNA | 1522 | RF00177 |
| 4ZSN_QV | 14 | 4ZSN | P-site tRNA-fMet | 77 | RF00005 |
| 4ZSN_QX | 693 | 4ZSN | messenger RNA | 25 | - |
| 4ZSN_RA | 53 | 4ZSN | 23S rRNA | 2916 | RF02541 |
| 4ZSN_RB | 27 | 4ZSN | 5S rRNA | 124 | RF00001 |
| 4ZSN_XA | 56 | 4ZSN | 16S rRNA | 1522 | RF00177 |
| 4ZSN_XV | 14 | 4ZSN | P-site tRNA-fMet | 77 | RF00005 |
| 4ZSN_XX | 219 | 4ZSN | messenger RNA | 25 | - |
| 4ZSN_YA | 53 | 4ZSN | 23S rRNA | 2916 | RF02541 |
| 4ZSN_YB | 27 | 4ZSN | 5S rRNA | 124 | RF00001 |
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