| ID | Fold | PDBID | PDB annotation | Length | RFam ID |
| 1BR3_A | 1 | 1BR3 | RNA (5'-R(*GP*GP*AP*CP*AP*GP*AP*UP*GP*GP*GP*AP*G)-3') | 13 | - |
| 1BVJ_A | 2 | 1BVJ | RNA (5'-R(P*GP*GP*CP*GP*AP*CP*GP*GP*UP*GP*UP*AP*AP*AP*AP*AP*UP*CP*UP*CP*GP*CP* C)-3') | 23 | - |
| 1BYJ_A | 2 | 1BYJ | RNA (16S RNA) | 27 | - |
| 1BYX_A | 23 | 1BYX | RNA (5'-R(*GP*CP*AP*GP*UP*GP*GP*C)-3') | 8 | - |
| 1BYX_B | 1 | 1BYX | DNA/RNA (5'-R(*GP*CP*CP*A)-D(P*CP*TP*GP*C)-3') | 8 | - |
| 1BZ2_A | 2 | 1BZ2 | TRNA | 17 | - |
| 1BZ3_A | 2 | 1BZ3 | TRNA | 17 | - |
| 1BZT_A | 2 | 1BZT | TRNA | 17 | - |
| 1BZU_A | 2 | 1BZU | TRNA | 17 | - |
| 1C04_E | 24 | 1C04 | 23S RRNA FRAGMENT | 58 | RF02541 |
| 1C04_F | 25 | 1C04 | 23S RRNA FRAGMENT | 29 | - |
| 1C0A_B | 14 | 1C0A | ASPARTYL TRNA | 77 | RF00005 |
| 1C0O_A | 2 | 1C0O | RNA (5'-R(*GP*GP*GP*UP*CP*UP*UP*CP*GP*GP*GP*UP*CP*C)-3') | 14 | - |
| 1C2Q_B | 1 | 1C2Q | 5'-R(GAGCACCAU)-3' | 9 | - |
| 1C2W_B | 26 | 1C2W | 23S RIBOSOMAL RNA | 2904 | RF02541 |
| 1C2X_C | 27 | 1C2X | 5S RIBOSOMAL RNA | 120 | RF00001 |
| 1C4L_A | 1 | 1C4L | RNA (5'-R(*CP*GP*AP*CP*UP*CP*AP*GP*G)-3') | 9 | - |
| 1C4L_B | 1 | 1C4L | RNA (5'-R(*CP*CP*UP*GP*CP*GP*UP*CP*G)-3') | 9 | - |
| 1C9S_W | 28 | 1C9S | SINGLE STRANDED RNA (55-MER) | 55 | - |
| 1CQ5_A | 29 | 1CQ5 | SRP RNA DOMAIN IV | 43 | - |
| All have 680 pages [1]...[3]4[5]...[680] |