| Superfamily | Description | Architecture | Class | n° Families | Structures |
|---|---|---|---|---|---|
| adapt33_3 | Superfamily of adapt33_3 | 4WJ | structured_simple | 1 | |
| ar45 | Superfamily of ar45 | 4WJ | structured_simple | 1 | |
| AS1890 | Superfamily of AS1890 | 4WJ | structured_simple | 1 | |
| BTE | Superfamily of BTE | 4WJ | structured_simple | 1 | |
| BTH_s39 | Superfamily of BTH_s39 | 4WJ | structured_simple | 1 | |
| ceN72-3_ceN74-2 | Superfamily of ceN72-3_ceN74-2 | 4WJ | structured_simple | 1 | |
| Cgb105 | Superfamily of Cgb105 | 4WJ | structured_simple | 1 | |
| Clostridiales-1 | Superfamily of Clostridiales-1 | 4WJ | structured_simple | 1 | |
| Cobalamin | Superfamily of Cobalamin | 4WJ | structured_simple | 3 | |
| Entero_5_CRE | Superfamily of Entero_5_CRE | 4WJ | structured_simple | 1 | |
| FTX_4 | Superfamily of FTX_4 | 4WJ | structured_simple | 1 | |
| HgcC | Superfamily of HgcC | 4WJ | structured_simple | 1 | |
| HOXA11-AS1_3 | Superfamily of HOXA11-AS1_3 | 4WJ | structured_simple | 1 | |
| Hrs21 | Superfamily of Hrs21 | 4WJ | structured_simple | 1 | |
| IscS1_thermometer | Superfamily of IscS1_thermometer | 4WJ | structured_simple | 1 | |
| isrC | Superfamily of isrC | 4WJ | structured_simple | 1 | |
| JA01 | Superfamily of JA01 | 4WJ | structured_simple | 1 | |
| MEG8_2 | Superfamily of MEG8_2 | 4WJ | structured_simple | 1 | |
| MIAT_exon1 | Superfamily of MIAT_exon1 | 4WJ | structured_simple | 1 | |
| MOSES4 | Superfamily of MOSES4 | 4WJ | structured_simple | 1 | |
| mtDNA_ssA | Superfamily of mtDNA_ssA | 4WJ | structured_simple | 1 | |
| NEAT1_1 | Superfamily of NEAT1_1 | 4WJ | structured_simple | 1 | |
| NiCo | Superfamily of NiCo | 4WJ | structured_simple | 1 | |
| P11 | Superfamily of P11 | 4WJ | structured_simple | 1 | |
| P27 | Superfamily of P27 | 4WJ | structured_simple | 1 | |
| RnaG | Superfamily of RnaG | 4WJ | structured_simple | 1 | |
| satBaMV_CRE | Superfamily of satBaMV_CRE | 4WJ | structured_simple | 1 | |
| SIB_RNA | Superfamily of SIB_RNA | 4WJ | structured_simple | 1 | |
| SMAD5-AS1_4 | Superfamily of SMAD5-AS1_4 | 4WJ | structured_simple | 1 | |
| SpF59_sRNA | Superfamily of SpF59_sRNA | 4WJ | structured_simple | 1 | |
| sucA | Superfamily of sucA | 4WJ | structured_simple | 1 | |
| Teg49 | Superfamily of Teg49 | 4WJ | structured_simple | 1 | |
| TeloSII_ncR33 | Superfamily of TeloSII_ncR33 | 4WJ | structured_simple | 1 | |
| TP53TG1_2 | Superfamily of TP53TG1_2 | 4WJ | structured_simple | 1 | |
| tsr26 | Superfamily of tsr26 | 4WJ | structured_simple | 1 | |
| tsr32 | Superfamily of tsr32 | 4WJ | structured_simple | 1 | |
| Twister-sister | Superfamily of Twister-sister | 4WJ | structured_simple | 1 | |
| Virus_CITE_1 | Superfamily of Virus_CITE_1 | 4WJ | structured_simple | 1 | |
| WT1-AS_2 | Superfamily of WT1-AS_2 | 4WJ | structured_simple | 1 | |
| yjdF | Superfamily of yjdF | 4WJ | structured_simple | 1 | |
| YrlA | Superfamily of YrlA | 4WJ | structured_simple | 1 | |
| Ysr224 | Superfamily of Ysr224 | 4WJ | structured_simple | 1 | |
| ZFAT-AS1_2 | Superfamily of ZFAT-AS1_2 | 4WJ | structured_simple | 1 | |
| ZFAT-AS1_3 | Superfamily of ZFAT-AS1_3 | 4WJ | structured_simple | 1 | |
| ZNRD1-AS1_2 | Superfamily of ZNRD1-AS1_2 | 4WJ | structured_simple | 1 |