| IPR036792 | Aspartate carbamoyltransferase regulatory subunit, C-terminal domain superfamily | Homologous Superfamily |
| IPR036793 | Aspartate carbamoyltransferase regulatory subunit, N-terminal domain superfamily | Homologous Superfamily |
| IPR020542 | Aspartate carbamoyltransferase regulatory subunit, C-terminal | Domain |
| IPR020545 | Aspartate carbamoyltransferase regulatory subunit, N-terminal | Domain |
| IPR002801 | Aspartate transcarbamylase regulatory subunit | Family |
| IPR006132 | Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding | Domain |
| IPR006131 | Aspartate/ornithine carbamoyltransferase, Asp/Orn-binding domain | Domain |
| IPR036901 | Aspartate/ornithine carbamoyltransferase superfamily | Homologous Superfamily |
| IPR006130 | Aspartate/ornithine carbamoyltransferase | Family |
| IPR002082 | Aspartate carbamoyltransferase | Family |