| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Spis_XP_022800459_1 | polymerase (DNA directed), kappa | HHH_RS2-RL21-YNQ2, IMS, IMS_C, IMS_HHH, IMS_HHH_1, mRNA_cap_C, RMI1_N_C, zf-C2H2_ZFAND2, zf-Di19 | — |
| Spis_XP_022810287_1 | RNA guanylyltransferase and 5'-phosphatase | DNA_ligase_A_M, mRNA_cap_C, mRNA_cap_enzyme | — |