| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 4Z7L_C | 456 | 4Z7L | RNA (5'-R(*GP*CP*AP*AP*AP*AP*UP*AP*AP*CP*AP*AP*GP*C)-3') | 14 | - |
| 4Z7L_F | 456 | 4Z7L | RNA (5'-R(*GP*CP*AP*AP*AP*AP*UP*AP*AP*CP*AP*AP*GP*C)-3') | 14 | - |
| 4Z7L_I | 456 | 4Z7L | RNA (5'-R(*GP*CP*AP*AP*AP*AP*UP*AP*AP*CP*AP*AP*GP*C)-3') | 14 | - |
| 4Z8C_1A | 53 | 4Z8C | 23S ribosomal RNA | 2915 | RF02541 |
| 4Z8C_1B | 27 | 4Z8C | 5S ribosomal RNA | 121 | RF00001 |
| 4Z8C_1a | 56 | 4Z8C | 16S ribosomal RNA | 1521 | RF00177 |
| 4Z8C_1x | 14 | 4Z8C | Initiator Methionine tRNA | 77 | RF00005 |
| 4Z8C_2A | 53 | 4Z8C | 23S ribosomal RNA | 2915 | RF02541 |
| 4Z8C_2B | 27 | 4Z8C | 5S ribosomal RNA | 121 | RF00001 |
| 4Z8C_2a | 56 | 4Z8C | 16S ribosomal RNA | 1521 | RF00177 |
| 4Z8C_2x | 14 | 4Z8C | Initiator Methionine tRNA | 77 | RF00005 |
| 4Z92_D | 457 | 4Z92 | RNA (5'-R(*AP*UP*UP*UP*UP*U)-3') | 6 | - |
| 4ZC7_A | 1 | 4ZC7 | RNA duplex | 92 | - |
| 4ZC7_B | 1 | 4ZC7 | RNA duplex | 92 | - |
| 4ZC7_C | 1 | 4ZC7 | RNA duplex | 92 | - |
| 4ZC7_D | 1 | 4ZC7 | RNA duplex | 92 | - |
| 4ZDO_E | 318 | 4ZDO | selenocysteine tRNA | 87 | RF01852 |
| 4ZDP_E | 318 | 4ZDP | selenocysteine tRNA | 87 | RF01852 |
| 4ZER_1A | 53 | 4ZER | 23s ribosomal RNA | 2915 | RF02541 |
| 4ZER_1B | 27 | 4ZER | 5s ribosomal RNA | 120 | RF00001 |
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