| Domain | Name | Category | Type |
| IPR000897 | Signal recognition particle, SRP54 subunit, GTPase domain | Domain | Domain |
| IPR003593 | AAA+ ATPase domain | Domain | Domain |
| IPR004125 | Signal recognition particle, SRP54 subunit, M-domain | Domain | Domain |
| IPR006325 | Signal recognition particle, SRP54 subunit, eukaryotic | Family | Family |
| IPR013822 | Signal recognition particle SRP54, helical bundle | Domain | Domain |
| IPR022941 | Signal recognition particle, SRP54 subunit | Family | Family |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Family | Homologous superfamily |
| IPR036225 | SRP/SRP receptor, N-terminal | Family | Homologous superfamily |
| IPR036891 | Signal recognition particle, SRP54 subunit, M-domain superfamily | Family | Homologous superfamily |
| IPR042101 | Signal recognition particle SRP54, N-terminal domain superfamily | Family | Homologous superfamily |