| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6SGC_84 | 544 | 6SGC | 5.8S ribosomal RNA | 156 | RF00002 |
| 6SGC_23 | 14 | 6SGC | tRNA (Lys3) | 76 | RF00005 |
| 6SGC_33 | 14 | 6SGC | tRNA (Lys3) | 76 | RF00005 |
| 6SH8_U | 580 | 6SH8 | Cognate target RNA | 46 | - |
| 6SH8_V | 385 | 6SH8 | crRNA | 51 | - |
| 6SHB_U | 580 | 6SHB | Cognate target RNA (43-MER) | 46 | - |
| 6SHB_V | 385 | 6SHB | crRNA (49-MER) | 51 | - |
| 6SIC_U | 580 | 6SIC | Cognate target RNA | 46 | - |
| 6SIC_V | 385 | 6SIC | crRNA | 51 | - |
| 6SJ6_A | 53 | 6SJ6 | 23S ribosomal RNA | 2923 | RF02541 |
| 6SJ6_B | 27 | 6SJ6 | 5S ribosomal RNA | 115 | RF00001 |
| 6SJD_D | 22 | 6SJD | RNA (5'-R(*UP*GP*CP*GP*AP*CP*AP*GP*UP*CP*GP*GP*UP*AP*GP*CP*A)-3') | 21 | - |
| 6SKF_Aa | 56 | 6SKF | 16S rRNA | 1498 | RF01959 |
| 6SKF_BA | 53 | 6SKF | 23S rRNA | 3037 | RF02540 |
| 6SKF_BB | 27 | 6SKF | 5S rRNA | 126 | RF00001 |
| 6SKG_Aa | 56 | 6SKG | 16S ribosomal RNA | 1498 | RF01959 |
| 6SKG_BA | 53 | 6SKG | 23S ribosomal RNA | 3037 | RF02540 |
| 6SKG_BB | 27 | 6SKG | 5S ribosomal RNA | 126 | RF00001 |
| 6SNJ_B | 2 | 6SNJ | U1 snRNA stem loop III, RNA (28-MER) | 28 | - |
| 6SNT_2 | 56 | 6SNT | Saccharomyces cerevisiae S288C 18S ribosomal RNA (RDN18-1), rRNA | 1800 | RF01960 |
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