| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1M5K_A | 1 | 1M5K | RNA INHIBITOR SUBSTRATE | 21 | - |
| 1M5K_B | 98 | 1M5K | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5K_D | 1 | 1M5K | RNA INHIBITOR SUBSTRATE | 21 | - |
| 1M5K_E | 98 | 1M5K | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5L_A | 99 | 1M5L | modified HIV-1 packaging signal stem-loop 1 RNA | 38 | - |
| 1M5O_A | 1 | 1M5O | RNA SUBSTRATE | 21 | - |
| 1M5O_B | 98 | 1M5O | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5O_D | 1 | 1M5O | RNA SUBSTRATE | 21 | - |
| 1M5O_E | 98 | 1M5O | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5P_A | 1 | 1M5P | RNA INHIBITOR SUBSTRATE | 12 | - |
| 1M5P_B | 98 | 1M5P | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5P_D | 1 | 1M5P | RNA INHIBITOR SUBSTRATE | 12 | - |
| 1M5P_E | 98 | 1M5P | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5P_M | 1 | 1M5P | RNA INHIBITOR SUBSTRATE | 9 | - |
| 1M5P_P | 1 | 1M5P | RNA INHIBITOR SUBSTRATE | 9 | - |
| 1M5V_A | 1 | 1M5V | RNA INHIBITOR SUBSTRATE | 12 | - |
| 1M5V_B | 98 | 1M5V | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5V_D | 1 | 1M5V | RNA INHIBITOR SUBSTRATE | 12 | - |
| 1M5V_E | 98 | 1M5V | RNA HAIRPIN RIBOZYME | 92 | - |
| 1M5V_M | 1 | 1M5V | RNA INHIBITOR SUBSTRATE | 9 | - |
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