| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022782268_1 | 5 methyltetrahydrofolate homocysteine methyltransferase | B12-binding, B12-binding_2, Met_synt_B12, Pterin_bind, S-methyl_trans |
| Spis_XP_022809927_1 | 5 methyltetrahydrofolate homocysteine methyltransferase | B12-binding, B12-binding_2, Met_synt_B12, Pterin_bind |