| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Drosha | — | 5_3_exonuc, dsrm, DSRM_MRPL44, Helical_CED_Drosha, Ribonucleas_3_3, Ribonuclease_3, RM44_endonuclase, UBQLN1 | — |
| Ercc5 | — | 5_3_exonuc, XPG_I, XPG_N | — |
| Fen1 | — | 5_3_exonuc, 5_3_exonuc_N, HHH_5, tRNA_bind_2, XPG_I, XPG_I_2, XPG_N | — |