| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022784587_1 | SMG5 nonsense mediated mRNA decay factor | EST1, EST1_DNA_bind, PIN_4 |
| Spis_XP_022786420_1 | SWT1 RNA endoribonuclease homolog | PIN_4, WW |
| Spis_XP_022794035_1 | DIS3 homolog exosome endoribonuclease and 3 5 exoribonuclease | OB_Dis3, PIN_4, RNB, Rrp44_CSD1, Rrp44_S1 |
| Spis_XP_022794858_1 | SMG6 nonsense mediated mRNA decay factor | EST1, EST1_DNA_bind, PIN_4 |