| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022799775_1 | saccharopine dehydrogenase | AlaDh_PNT_C, AlaDh_PNT_N |
| Spis_XP_022800495_1 | saccharopine dehydrogenase | AlaDh_PNT_C, AlaDh_PNT_N |
| Spis_XP_022806552_1 | nicotinamide nucleotide transhydrogenase | AlaDh_PNT_C, AlaDh_PNT_N, PNTB, PNTB_4TM |