| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| TrH2_TrispH2_000769 | — | S-methyl_trans | — |
| TrH2_TrispH2_002501 | betaine-homocysteine methyltransferase | S-methyl_trans | — |
| TrH2_TrispH2_002502 | betaine-homocysteine methyltransferase | ALAD, S-methyl_trans | — |
| TrH2_TrispH2_007144 | 5-methyltetrahydrofolate-homocysteine methyltransferase | B12-binding, B12-binding_2, Met_synt_B12, Pterin_bind, S-methyl_trans | — |