| IPR036844 | Hint domain superfamily | Homologous Superfamily |
| IPR040982 | DNA polymerase III alpha subunit finger domain | Domain |
| IPR004013 | PHP domain | Domain |
| IPR030934 | Intein C-terminal splicing region | Conserved Site |
| IPR006141 | Intein N-terminal splicing region | PTM |
| IPR016195 | Polymerase/histidinol phosphatase-like | Homologous Superfamily |
| IPR004365 | OB-fold nucleic acid binding domain, AA-tRNA synthetase-type | Domain |
| IPR003587 | Hint domain N-terminal | Domain |
| IPR041931 | Bacterial DNA polymerase III alpha subunit, thumb domain | Homologous Superfamily |
| IPR003141 | Polymerase/histidinol phosphatase, N-terminal | Domain |
| IPR011708 | Bacterial DNA polymerase III, alpha subunit, NTPase domain | Domain |
| IPR029460 | DNA polymerase, helix-hairpin-helix motif | Domain |
| IPR004805 | Error-prone DNA polymerase/DNA polymerase III subunit alpha DnaE/PolC | Family |
| IPR036844 | Hint domain superfamily | Homologous Superfamily |
| IPR040982 | DNA polymerase III alpha subunit finger domain | Domain |
| IPR004013 | PHP domain | Domain |
| IPR030934 | Intein C-terminal splicing region | Conserved Site |
| IPR006141 | Intein N-terminal splicing region | PTM |
| IPR016195 | Polymerase/histidinol phosphatase-like | Homologous Superfamily |
| IPR004365 | OB-fold nucleic acid binding domain, AA-tRNA synthetase-type | Domain |
| IPR003587 | Hint domain N-terminal | Domain |
| IPR041931 | Bacterial DNA polymerase III alpha subunit, thumb domain | Homologous Superfamily |
| IPR003141 | Polymerase/histidinol phosphatase, N-terminal | Domain |
| IPR011708 | Bacterial DNA polymerase III, alpha subunit, NTPase domain | Domain |
| IPR029460 | DNA polymerase, helix-hairpin-helix motif | Domain |
| IPR004805 | Error-prone DNA polymerase/DNA polymerase III subunit alpha DnaE/PolC | Family |