| Superfamily | Description | Architecture | Class | n° Families | Structures |
|---|---|---|---|---|---|
| 23S-methyl | Superfamily of 23S-methyl | 2H | structured_simple | 1 | |
| 7SK | Superfamily of 7SK | 2H | structured_simple | 2 | |
| AbsR25 | Superfamily of AbsR25 | 2H | structured_simple | 1 | |
| Acido-1 | Superfamily of Acido-1 | 2H | structured_simple | 1 | |
| Acido-Lenti-1 | Superfamily of Acido-Lenti-1 | 2H | structured_simple | 1 | |
| adapt33_1 | Superfamily of adapt33_1 | 2H | structured_simple | 1 | |
| Afu_182 | Superfamily of Afu_182 | 2H | structured_simple | 1 | |
| Afu_203 | Superfamily of Afu_203 | 2H | structured_simple | 1 | |
| Afu_254 | Superfamily of Afu_254 | 2H | structured_simple | 1 | |
| AilA_thermometer | Superfamily of AilA_thermometer | 2H | structured_simple | 1 | |
| ALIL | Superfamily of ALIL | 2H | structured_simple | 1 | |
| AniS | Superfamily of AniS | 2H | structured_simple | 1 | |
| ArcZ | Superfamily of ArcZ | 2H | structured_simple | 1 | |
| AS1726 | Superfamily of AS1726 | 2H | structured_simple | 1 | |
| AsdA | Superfamily of AsdA | 2H | structured_simple | 1 | |
| ASpks | Superfamily of ASpks | 2H | structured_simple | 1 | |
| asX2 | Superfamily of asX2 | 2H | structured_simple | 1 | |
| asX6 | Superfamily of asX6 | 2H | structured_simple | 1 | |
| AsxR | Superfamily of AsxR | 2H | structured_simple | 1 | |
| atoC | Superfamily of atoC | 2H | structured_simple | 1 | |
| Atu_C10 | Superfamily of Atu_C10 | 2H | structured_simple | 1 | |
| Atu_C4 | Superfamily of Atu_C4 | 2H | structured_simple | 1 | |
| Atu_C6 | Superfamily of Atu_C6 | 2H | structured_simple | 1 | |
| Atu_C7 | Superfamily of Atu_C7 | 2H | structured_simple | 1 | |
| Atu_C9 | Superfamily of Atu_C9 | 2H | structured_simple | 1 | |
| b55 | Superfamily of b55 | 2H | structured_simple | 1 | |
| bablM | Superfamily of bablM | 2H | structured_simple | 1 | |
| Bacillaceae-1 | Superfamily of Bacillaceae-1 | 2H | structured_simple | 1 | |
| Bacteroides-1 | Superfamily of Bacteroides-1 | 2H | structured_simple | 1 | |
| Betaproteobacteria_toxic_sRNA | Superfamily of Betaproteobacteria_toxic_sRNA | 2H | structured_simple | 1 | |
| BjrC68 | Superfamily of BjrC68 | 2H | structured_simple | 1 | |
| BLV_package | Superfamily of BLV_package | 2H | structured_simple | 1 | |
| Bp1_162 | Superfamily of Bp1_162 | 2H | structured_simple | 1 | |
| BSnc115 | Superfamily of BSnc115 | 2H | structured_simple | 1 | |
| BSnc119 | Superfamily of BSnc119 | 2H | structured_simple | 1 | |
| bxd_3 | Superfamily of bxd_3 | 2H | structured_simple | 1 | |
| bxd_5 | Superfamily of bxd_5 | 2H | structured_simple | 1 | |
| bxd_6 | Superfamily of bxd_6 | 2H | structured_simple | 1 | |
| c-di-GMP-I | Superfamily of c-di-GMP-I | 2H | structured_simple | 1 | |
| C0299 | Superfamily of C0299 | 2H | structured_simple | 1 | |
| CC0734 | Superfamily of CC0734 | 2H | structured_simple | 1 | |
| CC1840 | Superfamily of CC1840 | 2H | structured_simple | 1 | |
| CDKN2B-AS_2 | Superfamily of CDKN2B-AS_2 | 2H | structured_simple | 1 | |
| ceN93 | Superfamily of ceN93 | 2H | structured_simple | 1 | |
| Chlorobi-1 | Superfamily of Chlorobi-1 | 2H | structured_simple | 1 | |
| Chlorobi-RRM | Superfamily of Chlorobi-RRM | 2H | structured_simple | 1 | |
| Chloroflexi-1 | Superfamily of Chloroflexi-1 | 2H | structured_simple | 1 | |
| Cis8_sRNA | Superfamily of Cis8_sRNA | 2H | structured_simple | 1 | |
| CopA | Superfamily of CopA | 2H | structured_simple | 1 | |
| CpoB_ybgF_thermometer | Superfamily of CpoB_ybgF_thermometer | 2H | structured_simple | 1 | |
| csRNA | Superfamily of csRNA | 2H | structured_simple | 1 | |
| ctRNA_pGA1 | Superfamily of ctRNA_pGA1 | 2H | structured_simple | 1 | |
| ctRNA_pND324 | Superfamily of ctRNA_pND324 | 2H | structured_simple | 1 | |
| ctRNA_pT181 | Superfamily of ctRNA_pT181 | 2H | structured_simple | 1 | |
| cyano_het_sRNA | Superfamily of cyano_het_sRNA | 2H | structured_simple | 1 | |
| CyaR_RyeE | Superfamily of CyaR_RyeE | 2H | structured_simple | 1 | |
| DapZ | Superfamily of DapZ | 2H | structured_simple | 1 | |
| DISC2 | Superfamily of DISC2 | 2H | structured_simple | 1 | |
| DLEU2_1 | Superfamily of DLEU2_1 | 2H | structured_simple | 1 | |
| DLEU2_2 | Superfamily of DLEU2_2 | 2H | structured_simple | 1 | |
| DLEU2_4 | Superfamily of DLEU2_4 | 2H | structured_simple | 1 | |
| EBv-sisRNA-1 | Superfamily of EBv-sisRNA-1 | 2H | structured_simple | 1 | |
| ES003 | Superfamily of ES003 | 2H | structured_simple | 1 | |
| ES056 | Superfamily of ES056 | 2H | structured_simple | 1 | |
| ES222 | Superfamily of ES222 | 2H | structured_simple | 1 | |
| FinP-traJ | Superfamily of FinP-traJ | 2H | structured_simple | 2 | |
| Flavi_CRE | Superfamily of Flavi_CRE | 2H | structured_simple | 1 | |
| FourU | Superfamily of FourU | 2H | structured_simple | 1 | |
| FsrA | Superfamily of FsrA | 2H | structured_simple | 1 | |
| FTX_1 | Superfamily of FTX_1 | 2H | structured_simple | 1 | |
| FTX_2 | Superfamily of FTX_2 | 2H | structured_simple | 1 | |
| GmglnB1_5p_UTR | Superfamily of GmglnB1_5p_UTR | 2H | structured_simple | 1 | |
| GNAS-AS1_1 | Superfamily of GNAS-AS1_1 | 2H | structured_simple | 1 | |
| GNAS-AS1_2 | Superfamily of GNAS-AS1_2 | 2H | structured_simple | 1 | |
| gyrA | Superfamily of gyrA | 2H | structured_simple | 1 | |
| H/ACA-box | Superfamily of H/ACA-box | 2H | structured_simple | 294 | |
| H19_3 | Superfamily of H19_3 | 2H | structured_simple | 1 | |
| Hatchet | Superfamily of Hatchet | 2H | structured_simple | 1 | |
| HCV_ARF_SL | Superfamily of HCV_ARF_SL | 2H | structured_simple | 1 | |
| HDV-F-prausnitzii | Superfamily of HDV-F-prausnitzii | 2H | structured_simple | 1 | |
| HepE_CRE | Superfamily of HepE_CRE | 2H | structured_simple | 1 | |
| HLE | Superfamily of HLE | 2H | structured_simple | 1 | |
| HOTAIR_2 | Superfamily of HOTAIR_2 | 2H | structured_simple | 1 | |
| Hrs1 | Superfamily of Hrs1 | 2H | structured_simple | 1 | |
| HSUR | Superfamily of HSUR | 2H | structured_simple | 1 | |
| HULC | Superfamily of HULC | 2H | structured_simple | 1 | |
| IMES-3 | Superfamily of IMES-3 | 2H | structured_simple | 1 | |
| isrA | Superfamily of isrA | 2H | structured_simple | 1 | |
| isrD | Superfamily of isrD | 2H | structured_simple | 1 | |
| isrI | Superfamily of isrI | 2H | structured_simple | 1 | |
| isrJ | Superfamily of isrJ | 2H | structured_simple | 1 | |
| JA04 | Superfamily of JA04 | 2H | structured_simple | 1 | |
| JPX_2 | Superfamily of JPX_2 | 2H | structured_simple | 1 | |
| KCNQ1OT1_5 | Superfamily of KCNQ1OT1_5 | 2H | structured_simple | 1 | |
| L10_leader | Superfamily of L10_leader | 2H | structured_simple | 1 | |
| L17DE | Superfamily of L17DE | 2H | structured_simple | 1 | |
| lactis-plasmid | Superfamily of lactis-plasmid | 2H | structured_simple | 1 | |
| Leu_leader | Superfamily of Leu_leader | 2H | structured_simple | 1 | |
| LhrC | Superfamily of LhrC | 2H | structured_simple | 1 | |
| livK | Superfamily of livK | 2H | structured_simple | 1 | |
| MALAT1 | Superfamily of MALAT1 | 2H | structured_simple | 1 | |
| MEG3_2 | Superfamily of MEG3_2 | 2H | structured_simple | 1 | |
| MESTIT1_3 | Superfamily of MESTIT1_3 | 2H | structured_simple | 1 | |
| MIAT_exon5_1 | Superfamily of MIAT_exon5_1 | 2H | structured_simple | 1 | |
| MIAT_exon5_2 | Superfamily of MIAT_exon5_2 | 2H | structured_simple | 1 | |
| MicA | Superfamily of MicA | 2H | structured_simple | 1 | |
| MicF | Superfamily of MicF | 2H | structured_simple | 1 | |
| mini-ykkC | Superfamily of mini-ykkC | 2H | structured_simple | 1 | |
| Ms_AS-4 | Superfamily of Ms_AS-4 | 2H | structured_simple | 1 | |
| Ms_AS-8 | Superfamily of Ms_AS-8 | 2H | structured_simple | 1 | |
| Ms_IGR-2 | Superfamily of Ms_IGR-2 | 2H | structured_simple | 1 | |
| Ms_IGR-7 | Superfamily of Ms_IGR-7 | 2H | structured_simple | 1 | |
| naRNA3 | Superfamily of naRNA3 | 2H | structured_simple | 1 | |
| ncr1015 | Superfamily of ncr1015 | 2H | structured_simple | 1 | |
| ncr1175 | Superfamily of ncr1175 | 2H | structured_simple | 1 | |
| ncr1241 | Superfamily of ncr1241 | 2H | structured_simple | 1 | |
| ncr982 | Superfamily of ncr982 | 2H | structured_simple | 1 | |
| NCRUPAR_2 | Superfamily of NCRUPAR_2 | 2H | structured_simple | 1 | |
| NrrF | Superfamily of NrrF | 2H | structured_simple | 1 | |
| nse_sRNA | Superfamily of nse_sRNA | 2H | structured_simple | 1 | |
| NsiR1 | Superfamily of NsiR1 | 2H | structured_simple | 1 | |
| NsiR4 | Superfamily of NsiR4 | 2H | structured_simple | 1 | |
| Ocean-V | Superfamily of Ocean-V | 2H | structured_simple | 1 | |
| ODC_IRES | Superfamily of ODC_IRES | 2H | structured_simple | 1 | |
| ohsC_RNA | Superfamily of ohsC_RNA | 2H | structured_simple | 1 | |
| OmrA-B | Superfamily of OmrA-B | 2H | structured_simple | 1 | |
| OrzO-P | Superfamily of OrzO-P | 2H | structured_simple | 1 | |
| P1 | Superfamily of P1 | 2H | structured_simple | 1 | |
| P26 | Superfamily of P26 | 2H | structured_simple | 1 | |
| p27_CRE | Superfamily of p27_CRE | 2H | structured_simple | 1 | |
| P31 | Superfamily of P31 | 2H | structured_simple | 1 | |
| P35 | Superfamily of P35 | 2H | structured_simple | 1 | |
| P36 | Superfamily of P36 | 2H | structured_simple | 1 | |
| P37 | Superfamily of P37 | 2H | structured_simple | 1 | |
| P8 | Superfamily of P8 | 2H | structured_simple | 1 | |
| P9 | Superfamily of P9 | 2H | structured_simple | 1 | |
| pan | Superfamily of pan | 2H | structured_simple | 1 | |
| PepN_thermometer | Superfamily of PepN_thermometer | 2H | structured_simple | 1 | |
| PhotoRC-I | Superfamily of PhotoRC-I | 2H | structured_simple | 1 | |
| PhotoRC-II | Superfamily of PhotoRC-II | 2H | structured_simple | 1 | |
| PinT | Superfamily of PinT | 2H | structured_simple | 1 | |
| PISRT1 | Superfamily of PISRT1 | 2H | structured_simple | 1 | |
| Plasmid_R1162 | Superfamily of Plasmid_R1162 | 2H | structured_simple | 1 | |
| pntA | Superfamily of pntA | 2H | structured_simple | 1 | |
| Pox_AX_element | Superfamily of Pox_AX_element | 2H | structured_simple | 1 | |
| Pseudomon-1 | Superfamily of Pseudomon-1 | 2H | structured_simple | 1 | |
| Pseudomon-Rho | Superfamily of Pseudomon-Rho | 2H | structured_simple | 1 | |
| psm_mec_RNA | Superfamily of psm_mec_RNA | 2H | structured_simple | 1 | |
| PtaRNA1 | Superfamily of PtaRNA1 | 2H | structured_simple | 1 | |
| purD | Superfamily of purD | 2H | structured_simple | 1 | |
| PVT1_5 | Superfamily of PVT1_5 | 2H | structured_simple | 1 | |
| PVX_3 | Superfamily of PVX_3 | 2H | structured_simple | 1 | |
| PYLIS_2 | Superfamily of PYLIS_2 | 2H | structured_simple | 1 | |
| PYLIS_4 | Superfamily of PYLIS_4 | 2H | structured_simple | 1 | |
| PYLIS_5 | Superfamily of PYLIS_5 | 2H | structured_simple | 1 | |
| RatA | Superfamily of RatA | 2H | structured_simple | 1 | |
| Retro_dr1 | Superfamily of Retro_dr1 | 2H | structured_simple | 1 | |
| RFPL3-AS1_2 | Superfamily of RFPL3-AS1_2 | 2H | structured_simple | 1 | |
| rimP | Superfamily of rimP | 2H | structured_simple | 1 | |
| rli22 | Superfamily of rli22 | 2H | structured_simple | 1 | |
| rli34 | Superfamily of rli34 | 2H | structured_simple | 1 | |
| rli36 | Superfamily of rli36 | 2H | structured_simple | 1 | |
| rli61 | Superfamily of rli61 | 2H | structured_simple | 1 | |
| RmaA | Superfamily of RmaA | 2H | structured_simple | 1 | |
| RMST_4 | Superfamily of RMST_4 | 2H | structured_simple | 1 | |
| rnk_leader | Superfamily of rnk_leader | 2H | structured_simple | 1 | |
| rnk_pseudo | Superfamily of rnk_pseudo | 2H | structured_simple | 1 | |
| ROSE_2 | Superfamily of ROSE_2 | 2H | structured_simple | 1 | |
| ROSE_3 | Superfamily of ROSE_3 | 2H | structured_simple | 1 | |
| rseX | Superfamily of rseX | 2H | structured_simple | 1 | |
| Rubella_3 | Superfamily of Rubella_3 | 2H | structured_simple | 1 | |
| RUF2 | Superfamily of RUF2 | 2H | structured_simple | 1 | |
| RyhB | Superfamily of RyhB | 2H | structured_simple | 1 | |
| S15 | Superfamily of S15 | 2H | structured_simple | 1 | |
| SAM-Chlorobi | Superfamily of SAM-Chlorobi | 2H | structured_simple | 1 | |
| sar | Superfamily of sar | 2H | structured_simple | 1 | |
| sau-27 | Superfamily of sau-27 | 2H | structured_simple | 1 | |
| sau-6072 | Superfamily of sau-6072 | 2H | structured_simple | 1 | |
| sbrA | Superfamily of sbrA | 2H | structured_simple | 1 | |
| serC | Superfamily of serC | 2H | structured_simple | 1 | |
| Six3os1_3 | Superfamily of Six3os1_3 | 2H | structured_simple | 1 | |
| SmY | Superfamily of SmY | 2H | structured_simple | 1 | |
| SodB_thermometer | Superfamily of SodB_thermometer | 2H | structured_simple | 1 | |
| sok | Superfamily of sok | 2H | structured_simple | 1 | |
| SOX2OT_exon2 | Superfamily of SOX2OT_exon2 | 2H | structured_simple | 1 | |
| SpF11_sRNA | Superfamily of SpF11_sRNA | 2H | structured_simple | 1 | |
| SpF25_sRNA | Superfamily of SpF25_sRNA | 2H | structured_simple | 1 | |
| SpF39_sRNA | Superfamily of SpF39_sRNA | 2H | structured_simple | 1 | |
| SpF51_sRNA | Superfamily of SpF51_sRNA | 2H | structured_simple | 1 | |
| SpR08_sRNA | Superfamily of SpR08_sRNA | 2H | structured_simple | 1 | |
| SpR20_sRNA | Superfamily of SpR20_sRNA | 2H | structured_simple | 1 | |
| Spy1786666 | Superfamily of Spy1786666 | 2H | structured_simple | 1 | |
| Spy490483c | Superfamily of Spy490483c | 2H | structured_simple | 1 | |
| Spy779816 | Superfamily of Spy779816 | 2H | structured_simple | 1 | |
| sR084 | Superfamily of sR084 | 2H | structured_simple | 1 | |
| sraA | Superfamily of sraA | 2H | structured_simple | 1 | |
| sroD | Superfamily of sroD | 2H | structured_simple | 1 | |
| sroE | Superfamily of sroE | 2H | structured_simple | 1 | |
| SSRC34_1 | Superfamily of SSRC34_1 | 2H | structured_simple | 1 | |
| SSRC34_2 | Superfamily of SSRC34_2 | 2H | structured_simple | 1 | |
| SSRC41 | Superfamily of SSRC41 | 2H | structured_simple | 1 | |
| ST7-AS2_2 | Superfamily of ST7-AS2_2 | 2H | structured_simple | 1 | |
| ST7-OT3_2 | Superfamily of ST7-OT3_2 | 2H | structured_simple | 1 | |
| STnc130 | Superfamily of STnc130 | 2H | structured_simple | 1 | |
| STnc240 | Superfamily of STnc240 | 2H | structured_simple | 1 | |
| STnc280 | Superfamily of STnc280 | 2H | structured_simple | 1 | |
| STnc290 | Superfamily of STnc290 | 2H | structured_simple | 1 | |
| STnc310 | Superfamily of STnc310 | 2H | structured_simple | 1 | |
| STnc340 | Superfamily of STnc340 | 2H | structured_simple | 1 | |
| STnc350 | Superfamily of STnc350 | 2H | structured_simple | 1 | |
| STnc370 | Superfamily of STnc370 | 2H | structured_simple | 1 | |
| STnc380 | Superfamily of STnc380 | 2H | structured_simple | 1 | |
| STnc390 | Superfamily of STnc390 | 2H | structured_simple | 1 | |
| STnc40 | Superfamily of STnc40 | 2H | structured_simple | 1 | |
| STnc400 | Superfamily of STnc400 | 2H | structured_simple | 1 | |
| STnc450 | Superfamily of STnc450 | 2H | structured_simple | 1 | |
| STnc50 | Superfamily of STnc50 | 2H | structured_simple | 1 | |
| StyR-44 | Superfamily of StyR-44 | 2H | structured_simple | 1 | |
| suhB | Superfamily of suhB | 2H | structured_simple | 2 | |
| sX12 | Superfamily of sX12 | 2H | structured_simple | 1 | |
| sX8 | Superfamily of sX8 | 2H | structured_simple | 1 | |
| symR | Superfamily of symR | 2H | structured_simple | 1 | |
| TCL6_1 | Superfamily of TCL6_1 | 2H | structured_simple | 1 | |
| TCL6_2 | Superfamily of TCL6_2 | 2H | structured_simple | 1 | |
| Termite-flg | Superfamily of Termite-flg | 2H | structured_simple | 1 | |
| Termite-leu | Superfamily of Termite-leu | 2H | structured_simple | 1 | |
| Thr_leader | Superfamily of Thr_leader | 2H | structured_simple | 1 | |
| Tombus_3_III | Superfamily of Tombus_3_III | 2H | structured_simple | 1 | |
| tpke11 | Superfamily of tpke11 | 2H | structured_simple | 1 | |
| Trp_leader | Superfamily of Trp_leader | 2H | structured_simple | 1 | |
| Trp_leader_2 | Superfamily of Trp_leader_2 | 2H | structured_simple | 1 | |
| TrxA_thermometer | Superfamily of TrxA_thermometer | 2H | structured_simple | 1 | |
| tsr31 | Superfamily of tsr31 | 2H | structured_simple | 1 | |
| tsr33 | Superfamily of tsr33 | 2H | structured_simple | 1 | |
| TUG1_2 | Superfamily of TUG1_2 | 2H | structured_simple | 1 | |
| VrrA | Superfamily of VrrA | 2H | structured_simple | 1 | |
| whalefall-1 | Superfamily of whalefall-1 | 2H | structured_simple | 1 | |
| XIST_A_REPEAT | Superfamily of XIST_A_REPEAT | 2H | structured_simple | 1 | |
| Yar_2 | Superfamily of Yar_2 | 2H | structured_simple | 1 | |
| Yfr1 | Superfamily of Yfr1 | 2H | structured_simple | 1 | |
| Yfr10 | Superfamily of Yfr10 | 2H | structured_simple | 1 | |
| Yfr19 | Superfamily of Yfr19 | 2H | structured_simple | 1 | |
| ykkC-III | Superfamily of ykkC-III | 2H | structured_simple | 1 | |
| ykkC-yxkD | Superfamily of ykkC-yxkD | 2H | structured_simple | 1 | |
| Ysr190 | Superfamily of Ysr190 | 2H | structured_simple | 1 | |
| ZEB2_AS1_2 | Superfamily of ZEB2_AS1_2 | 2H | structured_simple | 1 | |
| ZEB2_AS1_4 | Superfamily of ZEB2_AS1_4 | 2H | structured_simple | 1 |

