| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1MFK_A | 2 | 1MFK | 5'-R(P*GP*GP*CP*GP*GP*UP*UP*GP*CP*AP*GP*GP*UP*CP*UP*GP*CP*AP*CP*CP*GP*CP*C)-3' | 23 | - |
| 1MFQ_A | 93 | 1MFQ | 7S RNA of human SRP | 128 | RF00017 |
| 1MFY_A | 10 | 1MFY | C4 promoter of influneza A virus | 31 | - |
| 1MHK_L | 1 | 1MHK | RNA 14-mer BCh12 | 14 | - |
| 1MHK_S | 103 | 1MHK | RNA 12-mer BCh12 | 12 | - |
| 1MIS_A | 1 | 1MIS | RNA (5'-R(*GP*CP*GP*GP*AP*CP*GP*C)-3') | 8 | - |
| 1MIS_B | 1 | 1MIS | RNA (5'-R(*GP*CP*GP*GP*AP*CP*GP*C)-3') | 8 | - |
| 1MJ1_C | 14 | 1MJ1 | Phe-tRNA | 76 | RF00005 |
| 1MJ1_D | 14 | 1MJ1 | Phe-tRNA | 76 | RF00005 |
| 1MJI_C | 10 | 1MJI | 5S rRNA fragment | 34 | - |
| 1MJI_D | 10 | 1MJI | 5S rRNA fragment | 34 | - |
| 1ML5_B | 14 | 1ML5 | T-RNA(PHE) | 76 | RF00005 |
| 1ML5_C | 76 | 1ML5 | A- AND P-SITE MESSENGER RNA CODONS | 6 | - |
| 1MME_A | 75 | 1MME | RNA HAMMERHEAD RIBOZYME | 16 | - |
| 1MME_B | 104 | 1MME | RNA HAMMERHEAD RIBOZYME | 25 | - |
| 1MME_C | 75 | 1MME | RNA HAMMERHEAD RIBOZYME | 16 | - |
| 1MME_D | 104 | 1MME | RNA HAMMERHEAD RIBOZYME | 25 | - |
| 1MMS_C | 24 | 1MMS | 23S RIBOSOMAL RNA | 58 | RF02541 |
| 1MMS_D | 24 | 1MMS | 23S RIBOSOMAL RNA | 58 | RF02541 |
| 1MNB_B | 2 | 1MNB | BIV TAR RNA | 28 | - |
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