| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 6MPF_A | 56 | 6MPF | 16S rRNA | 1508 | RF00177 |
| 6MPF_X | 4 | 6MPF | tRNA ASL Escherichia coli Arg1 | 11 | - |
| 6MPI_A | 56 | 6MPI | 16S rRNA | 1507 | RF00177 |
| 6MPI_X | 4 | 6MPI | tRNA ASL Escherichia coli Arg1 | 17 | - |
| 6MSF_R | 2 | 6MSF | RNA (5'-R(*CP*CP*AP*CP*AP*GP*UP*CP*AP*CP*UP*GP*GP*G)-3') | 14 | - |
| 6MSF_S | 2 | 6MSF | RNA (5'-R(*CP*AP*GP*UP*CP*AP*CP*UP*GP*G)-3') | 10 | - |
| 6MTB_1 | 546 | 6MTB | mRNA | 7 | - |
| 6MTB_2 | 14 | 6MTB | P-site tRNA | 76 | RF00005 |
| 6MTB_4 | 14 | 6MTB | Z-site tRNA | 75 | RF00005 |
| 6MTB_5 | 53 | 6MTB | 28S rRNA | 3597 | RF02543 |
| 6MTB_7 | 27 | 6MTB | 5S rRNA | 120 | RF00001 |
| 6MTB_8 | 544 | 6MTB | 5.8S rRNA | 151 | RF00002 |
| 6MTB_9 | 56 | 6MTB | 18S rRNA | 1698 | RF01960 |
| 6MTC_4 | 14 | 6MTC | Z-site tRNA | 75 | RF00005 |
| 6MTC_5 | 53 | 6MTC | 28S rRNA | 3597 | RF02543 |
| 6MTC_7 | 27 | 6MTC | 5S rRNA | 120 | RF00001 |
| 6MTC_8 | 544 | 6MTC | 5.8S rRNA | 151 | RF00002 |
| 6MTC_9 | 56 | 6MTC | 18S rRNA | 1698 | RF01960 |
| 6MTD_5 | 53 | 6MTD | 28S rRNA | 3597 | RF02543 |
| 6MTD_7 | 27 | 6MTD | 5S rRNA | 120 | RF00001 |
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