| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Spis_Spis22782_1 | — | Ribonuc_red_lgC, Ribonuc_red_lgN | — |
| Spis_Spis25140_1 | — | Ribonuc_red_2_N, Ribonuc_red_lgC, Ribonuc_red_lgN, TACO1_YebC_N | — |
| Spis_XP_022778492_1 | — | Ribonuc_red_2_N, Ribonuc_red_lgC, Ribonuc_red_lgN, TACO1_YebC_N | — |
| Spis_XP_022804305_1 | ribonucleotide reductase M1 | ATP-cone, Ribonuc_red_lgC, Ribonuc_red_lgN | — |