| IPR014015 | Helicase, superfamily 3, DNA virus | Domain |
| IPR054468 | NrS-1 polymerase-like, HBD domain | Domain |
| IPR014818 | Bacteriophage/plasmid primase, P4, C-terminal | Domain |
| IPR006500 | Helicase, putative, phage/plasmid, C-terminal domain | Domain |
| IPR045455 | NrS-1 polymerase-like, helicase domain | Domain |
| IPR004968 | DNA primase/nucleoside triphosphatase, C-terminal | Domain |
| IPR051620 | ORF904-like, C-terminal domain | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |