| Gene | Description | Domains |
|---|---|---|
| Tadh_P23436 | terminal nucleotidyltransferase 4B | NTP_transf_2, PAP_assoc |
| Tadh_P54458 | terminal uridylyl transferase 1 U6 snRNA specific | PAP_assoc, TUTase, zf-met |
| Tadh_P54639 | terminal nucleotidyltransferase 2 | PAP_assoc, TUTase |
| Tadh_P57804 | terminal uridylyl transferase 7 | PAP_assoc, TUTase, zf-CCHC |