| IPR038256 | DNA polymerase alpha, zinc finger domain superfamily | Homologous Superfamily |
| IPR036397 | Ribonuclease H superfamily | Homologous Superfamily |
| IPR006134 | DNA-directed DNA polymerase, family B, multifunctional domain | Domain |
| IPR045846 | DNA polymerase alpha catalytic subunit, catalytic domain | Domain |
| IPR017964 | DNA-directed DNA polymerase, family B, conserved site | Conserved Site |
| IPR012337 | Ribonuclease H-like superfamily | Homologous Superfamily |
| IPR023211 | DNA polymerase, palm domain superfamily | Homologous Superfamily |
| IPR015088 | Zinc finger, DNA-directed DNA polymerase, family B, alpha | Domain |
| IPR006172 | DNA-directed DNA polymerase, family B | Family |
| IPR043502 | DNA/RNA polymerase superfamily | Homologous Superfamily |
| IPR006133 | DNA-directed DNA polymerase, family B, exonuclease domain | Domain |
| IPR042087 | DNA polymerase family B, thumb domain | Homologous Superfamily |
| IPR024647 | DNA polymerase alpha catalytic subunit, N-terminal domain | Domain |
| IPR007185 | DNA polymerase alpha/delta/epsilon, subunit B | Domain |
| IPR043034 | DNA polymerase alpha, subunit B, N-terminal domain superfamily | Homologous Superfamily |
| IPR013627 | DNA polymerase alpha, subunit B, N-terminal | Domain |
| IPR016722 | DNA polymerase alpha, subunit B | Family |
| IPR016558 | DNA primase, large subunit, eukaryotic | Family |
| IPR007238 | DNA primase large subunit, eukaryotic/archaeal | Family |
| IPR002755 | DNA primase, small subunit | Family |
| IPR014052 | DNA primase, small subunit, eukaryotic/archaeal | Family |