| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022782236_1 | mitochondrial translational initiation factor 2 | GTP_EFTU, IF-2 |
| Spis_XP_022795668_1 | mitochondrial translational initiation factor 2 | GTP_EFTU, IF-2, IF2_N |
| Spis_XP_022800931_1 | eukaryotic translation initiation factor 5B | GTP_EFTU, GTP_EFTU_D2, IF-2 |