| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 2XB2_E | 184 | 2XB2 | RNA POLY-U-RIBONUCLEOTIDE | 15 | - |
| 2XB2_R | 184 | 2XB2 | RNA POLY-U-RIBONUCLEOTIDE | 15 | - |
| 2XBM_E | 1 | 2XBM | 5'-(*G3AP*GP*AP*AP*CP*CP*UP*GP*A)-3' | 9 | - |
| 2XBM_F | 1 | 2XBM | 5'-(*G3AP*GP*AP*AP*CP*CP*UP*GP*A)-3' | 9 | - |
| 2XD0_G | 281 | 2XD0 | TOXI | 36 | - |
| 2XD0_H | 281 | 2XD0 | TOXI | 36 | - |
| 2XD0_I | 281 | 2XD0 | TOXI | 36 | - |
| 2XD0_U | 281 | 2XD0 | TOXI | 36 | - |
| 2XD0_V | 281 | 2XD0 | TOXI | 36 | - |
| 2XD0_W | 281 | 2XD0 | TOXI | 36 | - |
| 2XDB_G | 281 | 2XDB | TOXI | 40 | - |
| 2XDD_F | 281 | 2XDD | TOXI | 36 | - |
| 2XDD_G | 281 | 2XDD | TOXI | 36 | - |
| 2XDD_H | 281 | 2XDD | TOXI | 36 | - |
| 2XEB_A | 292 | 2XEB | 5'-R(P*GP*AP*UP*CP*GP*UP*AP*GP*CP*CP*AP*AP*UP*GP*AP* GP*GP*UP*U)-3' | 19 | - |
| 2XEB_B | 1 | 2XEB | 5'-R(P*GP*CP*CP*GP*AP*GP*GP*CP*GP*CP*GP*AP*UP*C)-3' | 14 | - |
| 2XFM_B | 293 | 2XFM | 5'-R(*AP*CP*CP*GP*AP*CP*UP*(OMU)P)-3' | 8 | - |
| 2XKV_B | 38 | 2XKV | 4.5S RNA | 114 | RF00169 |
| 2XLI_B | 52 | 2XLI | 5'-R(*CP*UP*GP*CP*CP*GP*UP*AP*UP*AP*GP*GP*CP*A*DG*C)-3' | 16 | - |
| 2XLJ_B | 52 | 2XLJ | 5'-R(*CP*UP*GP*CP*CP*GP*UP*AP*UP*AP*GP*GP*CP*A*DG*C)-3' | 16 | - |
| All have 680 pages [1]...[111]112[113]...[680] |