| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 3JCM_C | 346 | 3JCM | pre-mRNA | 20 | - |
| 3JCM_D | 347 | 3JCM | SNR6 snRNA | 112 | RF00026 |
| 3JCM_E | 348 | 3JCM | SNR14 snRNA | 160 | RF00015 |
| 3JCM_F | 342 | 3JCM | SNR7-L snRNA | 214 | RF00020 |
| 3JCN_A | 53 | 3JCN | 23S ribosomal RNA | 2904 | RF02541 |
| 3JCN_B | 27 | 3JCN | 5S ribosomal RNA | 120 | RF00001 |
| 3JCN_a | 56 | 3JCN | 16S ribosomal RNA | 1542 | RF00177 |
| 3JCN_v | 14 | 3JCN | tRNA | 77 | RF00005 |
| 3JCN_z | 680 | 3JCN | messenger RNA | 6 | - |
| 3JCS_1 | 543 | 3JCS | 26S alpha ribosomal RNA | 1782 | RF02543 |
| 3JCS_2 | 54 | 3JCS | 26S delta ribosomal RNA | 1527 | RF02543 |
| 3JCS_3 | 681 | 3JCS | 26S gamma ribosomal RNA | 213 | - |
| 3JCS_4 | 682 | 3JCS | 26S delta ribosomal RNA | 183 | RF02543 |
| 3JCS_5 | 195 | 3JCS | 26S epsilon ribosomal RNA | 133 | - |
| 3JCS_6 | 683 | 3JCS | 26S zeta ribosomal RNA | 76 | - |
| 3JCS_7 | 544 | 3JCS | 5.8S ribosomal RNA | 171 | RF00002 |
| 3JCS_8 | 27 | 3JCS | 5S ribosomal RNA | 121 | RF00001 |
| 3JCT_1 | 53 | 3JCT | RDN25-1 rRNA | 3396 | RF02543 |
| 3JCT_2 | 544 | 3JCT | RDN58-1 rRNA | 158 | RF00002 |
| 3JCT_3 | 27 | 3JCT | RDN5-2 rRNA | 121 | RF00001 |
| All have 680 pages [1]...[156]157[158]...[680] |