| IPR027141 | Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 | Family |
| IPR034099 | Small nuclear ribonucleoprotein Sm D3 | Family |
| IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| IPR047575 | Sm domain | Domain |
| IPR010920 | LSM domain superfamily | Homologous Superfamily |
| B [auth C] | IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| B [auth C] | IPR052840 | U7 snRNA-associated Sm-like | Family |
| B [auth C] | IPR047575 | Sm domain | Domain |
| B [auth C] | IPR010920 | LSM domain superfamily | Homologous Superfamily |
| C [auth E] | IPR027078 | Small nuclear ribonucleoprotein E | Family |
| C [auth E] | IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| C [auth E] | IPR047575 | Sm domain | Domain |
| C [auth E] | IPR010920 | LSM domain superfamily | Homologous Superfamily |
| D [auth F] | IPR016487 | Sm-like protein Lsm6/SmF | Family |
| D [auth F] | IPR034100 | Small nuclear ribonucleoprotein F | Family |
| D [auth F] | IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| D [auth F] | IPR047575 | Sm domain | Domain |
| D [auth F] | IPR010920 | LSM domain superfamily | Homologous Superfamily |
| E [auth G] | IPR044641 | Sm-like protein Lsm7/SmG | Family |
| E [auth G] | IPR034098 | Small nuclear ribonucleoprotein G | Family |
| E [auth G] | IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| E [auth G] | IPR047575 | Sm domain | Domain |
| E [auth G] | IPR010920 | LSM domain superfamily | Homologous Superfamily |
| J [auth B] | IPR001163 | Sm domain, eukaryotic/archaea-type | Domain |
| J [auth B] | IPR017131 | Small ribonucleoprotein associated, SmB/SmN | Family |
| J [auth B] | IPR047575 | Sm domain | Domain |
| J [auth B] | IPR010920 | LSM domain superfamily | Homologous Superfamily |
| L [auth H] | IPR001279 | Metallo-beta-lactamase | Domain |
| L [auth H] | IPR022712 | Beta-Casp domain | Domain |
| L [auth H] | IPR050698 | RNA Processing Metallo-Beta-Lactamase | Family |
| L [auth H] | IPR021718 | Pre-mRNA 3'-end-processing endonuclease polyadenylation factor C-term | Domain |
| L [auth H] | IPR011108 | Zn-dependent metallo-hydrolase, RNA specificity domain | Domain |
| L [auth H] | IPR036866 | Ribonuclease Z/Hydroxyacylglutathione hydrolase-like | Homologous Superfamily |
| M [auth I] | IPR001279 | Metallo-beta-lactamase | Domain |
| M [auth I] | IPR022712 | Beta-Casp domain | Domain |
| M [auth I] | IPR027075 | Cleavage and polyadenylation specificity factor subunit 2 | Family |
| M [auth I] | IPR011108 | Zn-dependent metallo-hydrolase, RNA specificity domain | Domain |
| M [auth I] | IPR036866 | Ribonuclease Z/Hydroxyacylglutathione hydrolase-like | Homologous Superfamily |
| M [auth I] | IPR025069 | Cleavage and polyadenylation specificity factor 2, C-terminal | Domain |
| M [auth I] | IPR035639 | CPSF2, metallo-hydrolase domain | Domain |
| F [auth J] | IPR022075 | Symplekin C-terminal | Domain |
| F [auth J] | IPR016024 | Armadillo-type fold | Homologous Superfamily |
| F [auth J] | IPR021850 | Symplekin/Pta1 | Family |
| F [auth J] | IPR032460 | Symplekin/Pta1, N-terminal | Domain |
| F [auth J] | IPR011989 | Armadillo-like helical | Homologous Superfamily |