| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1K6G_A | 2 | 1K6G | RNA (5'-R(P*GP*GP*CP*GP*UP*CP*AP*UP*GP*AP*GP*UP*CP*CP*AP*UP*GP*GP*CP*GP*CP*C)-3') | 22 | - |
| 1K6H_A | 2 | 1K6H | RNA (5'-R(P*GP*GP*CP*GP*UP*GP*UP*UP*CP*AP*GP*AP*AP*GP*AP*AP*CP*GP*CP*GP*CP*C)-3') | 22 | - |
| 1K73_A | 53 | 1K73 | 23S RRNA | 2922 | RF02540 |
| 1K73_B | 27 | 1K73 | 5S RRNA | 122 | RF00001 |
| 1K8A_A | 53 | 1K8A | 23S RRNA | 2922 | RF02540 |
| 1K8A_B | 27 | 1K8A | 5S RRNA | 122 | RF00001 |
| 1K8S_A | 1 | 1K8S | 5'-R(*GP*GP*CP*AP*GP*AP*GP*UP*GP*CP*CP*GP*C)-3' | 13 | - |
| 1K8S_B | 1 | 1K8S | 5'-R(*GP*CP*GP*GP*CP*AP*CP*CP*UP*GP*CP*C)-3' | 12 | - |
| 1K8W_B | 2 | 1K8W | 5'-R(*GP*GP*CP*AP*AP*CP*GP*GP*UP*(FHU)P*CP*GP*AP*UP*CP*CP*CP*GP*UP*UP*GP*C)-3' | 22 | - |
| 1K9M_A | 53 | 1K9M | 23S RRNA | 2922 | RF02540 |
| 1K9M_B | 27 | 1K9M | 5S RRNA | 122 | RF00001 |
| 1K9W_A | 2 | 1K9W | HIV-1 DIS(Mal)UU RNA | 23 | - |
| 1K9W_B | 2 | 1K9W | HIV-1 DIS(Mal)UU RNA | 23 | - |
| 1K9W_C | 2 | 1K9W | HIV-1 DIS(Mal)UU RNA | 23 | - |
| 1K9W_D | 2 | 1K9W | HIV-1 DIS(Mal)UU RNA | 23 | - |
| 1KAJ_A | 84 | 1KAJ | RNA PSEUDOKNOT APK | 32 | - |
| 1KC8_A | 53 | 1KC8 | 23S RRNA | 2922 | RF02540 |
| 1KC8_B | 27 | 1KC8 | 5S RRNA | 122 | RF00001 |
| 1KD1_A | 53 | 1KD1 | 23S RRNA | 2922 | RF02540 |
| 1KD1_B | 27 | 1KD1 | 5S RRNA | 122 | RF00001 |
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