| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1F6X_A | 2 | 1F6X | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F6Z_A | 2 | 1F6Z | RNASE P RNA RIBOZYME, P4 DOMAIN MUTANT | 27 | - |
| 1F78_A | 2 | 1F78 | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F79_A | 2 | 1F79 | RNASE P RNA RIBOZYME, P4 DOMAIN MUTANT | 27 | - |
| 1F7F_A | 2 | 1F7F | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F7G_A | 2 | 1F7G | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F7H_A | 2 | 1F7H | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F7I_A | 2 | 1F7I | RNASE P RNA RIBOZYME, P4 DOMAIN | 27 | - |
| 1F7U_B | 14 | 1F7U | TRNA(ARG) | 76 | RF00005 |
| 1F7V_B | 14 | 1F7V | TRNA(ARG) | 76 | RF00005 |
| 1F7Y_B | 35 | 1F7Y | 16S RIBOSOMAL RNA FRAGMENT | 57 | - |
| 1F84_A | 50 | 1F84 | HCV-1B IRES RNA DOMAIN IIID | 29 | - |
| 1F85_A | 2 | 1F85 | HCV-1B IRES RNA DOMAIN IIIE | 14 | - |
| 1F8V_R | 1 | 1F8V | RNA | 25 | - |
| 1F9L_A | 51 | 1F9L | 5'-R(*GP*GP*CP*GP*AP*AP*GP*UP*CP*GP*AP*AP*AP*GP*AP*UP*GP*GP*CP*GP*CP*CP*)-3' | 22 | - |
| 1FCW_A | 14 | 1FCW | TRNAPHE | 76 | RF00005 |
| 1FCW_B | 14 | 1FCW | TRNAPHE | 76 | RF00005 |
| 1FCW_C | 14 | 1FCW | TRNAPHE | 76 | RF00005 |
| 1FCW_D | 14 | 1FCW | TRNAPHE | 76 | RF00005 |
| 1FCW_E | 14 | 1FCW | TRNAPHE | 76 | RF00005 |
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