| Domain | Name | Category | Type |
| IPR006133 | DNA-directed DNA polymerase, family B, exonuclease domain | Domain | Domain |
| IPR006134 | DNA-directed DNA polymerase, family B, multifunctional domain | Domain | Domain |
| IPR006172 | DNA-directed DNA polymerase, family B | Family | Family |
| IPR012337 | Ribonuclease H-like superfamily | Family | Homologous superfamily |
| IPR017964 | DNA-directed DNA polymerase, family B, conserved site | Site | Conserved site |
| IPR023211 | DNA polymerase, palm domain superfamily | Family | Homologous superfamily |
| IPR025687 | C4-type zinc-finger of DNA polymerase delta | Domain | Domain |
| IPR030559 | DNA polymerase zeta catalytic subunit | Family | Family |
| IPR032757 | Domain of unknown function DUF4683 | Domain | Domain |
| IPR036397 | Ribonuclease H superfamily | Family | Homologous superfamily |
| IPR042087 | DNA polymerase family B, thumb domain | Family | Homologous superfamily |
| IPR043502 | DNA/RNA polymerase superfamily | Family | Homologous superfamily |