| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Spis_XP_022783184_1 | trimethyllysine hydroxylase epsilon | GBBH-like_N, TauD | — |
| Spis_XP_022789432_1 | gamma butyrobetaine hydroxylase 1 | GBBH-like_N, TauD | — |
| Spis_XP_022793381_1 | gamma butyrobetaine hydroxylase 1 | GBBH-like_N, TauD | — |
| Spis_XP_022796320_1 | gamma butyrobetaine hydroxylase 1 | GBBH-like_N, TauD | — |