| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6AHD_G | 572 | 6AHD | pre-mRNA | 274 | - |
| 6AHR_A | 574 | 6AHR | H1 RNA | 341 | RF00009 |
| 6AHU_A | 574 | 6AHU | H1 RNA | 341 | RF00009 |
| 6AHU_T | 14 | 6AHU | tRNA | 72 | RF00005 |
| 6AI6_B | 424 | 6AI6 | RNA (81-MER) | 81 | - |
| 6AJK_B | 2 | 6AJK | RNA (28-MER) | 28 | - |
| 6ALF_R | 1 | 6ALF | RNA (5'-R(P*AP*GP*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3') | 20 | - |
| 6ALG_R | 1 | 6ALG | RNA (5'-R(P*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3') | 20 | - |
| 6ALH_R | 1 | 6ALH | RNA (5'-R(P*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3') | 20 | - |
| 6AR1_C | 1 | 6AR1 | RNA | 14 | - |
| 6AR1_F | 1 | 6AR1 | RNA | 14 | - |
| 6AR3_C | 1 | 6AR3 | RNA | 14 | - |
| 6AR3_F | 1 | 6AR3 | RNA | 14 | - |
| 6AR5_B | 1 | 6AR5 | RNA | 14 | - |
| 6ASO_I | 419 | 6ASO | Saccharomyces cerevisiae strain HB_S_GIMBLETTROAD_9 chromosome XII sequence | 84 | RF00026 |
| 6ASX_R | 1 | 6ASX | RNA (29-MER) | 29 | - |
| 6AWB_A | 56 | 6AWB | 16S rRNA | 1539 | RF00177 |
| 6AWC_A | 56 | 6AWC | 16S rRNA | 1539 | RF00177 |
| 6AWD_A | 56 | 6AWD | 16S rRNA | 1539 | RF00177 |
| 6AZ1_1 | 56 | 6AZ1 | ribosomal RNA 18S | 2203 | RF01960 |
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