| Domain | Name | Category | Type |
| IPR000477 | Reverse transcriptase domain | Domain | Domain |
| IPR001037 | Integrase, C-terminal, retroviral | Domain | Domain |
| IPR001584 | Integrase, catalytic core | Domain | Domain |
| IPR002156 | Ribonuclease H domain | Domain | Domain |
| IPR003308 | Integrase, N-terminal zinc-binding domain | Domain | Domain |
| IPR010661 | Reverse transcriptase thumb | Domain | Domain |
| IPR012337 | Ribonuclease H-like superfamily | Family | Homologous superfamily |
| IPR017856 | Integrase-like, N-terminal | Family | Homologous superfamily |
| IPR036397 | Ribonuclease H superfamily | Family | Homologous superfamily |
| IPR036862 | Integrase, C-terminal domain superfamily, retroviral | Family | Homologous superfamily |
| IPR043128 | Reverse transcriptase/Diguanylate cyclase domain | Family | Homologous superfamily |
| IPR043502 | DNA/RNA polymerase superfamily | Family | Homologous superfamily |