| IPR029062 | Class I glutamine amidotransferase-like | Homologous Superfamily |
| IPR006132 | Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding | Domain |
| IPR002195 | Dihydroorotase, conserved site | Conserved Site |
| IPR006680 | Amidohydrolase-related | Domain |
| IPR036897 | Carbamoyl-phosphate synthetase, large subunit oligomerisation domain superfamily | Homologous Superfamily |
| IPR006131 | Aspartate/ornithine carbamoyltransferase, Asp/Orn-binding domain | Domain |
| IPR036901 | Aspartate/ornithine carbamoyltransferase superfamily | Homologous Superfamily |
| IPR036914 | Methylglyoxal synthase-like domain superfamily | Homologous Superfamily |
| IPR013815 | ATP-grasp fold, subdomain 1 | Homologous Superfamily |
| IPR011059 | Metal-dependent hydrolase, composite domain superfamily | Homologous Superfamily |
| IPR005479 | Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain | Domain |
| IPR006130 | Aspartate/ornithine carbamoyltransferase | Family |
| IPR005480 | Carbamoyl-phosphate synthetase, large subunit oligomerisation domain | Domain |
| IPR011607 | Methylglyoxal synthase-like domain | Domain |
| IPR032466 | Metal-dependent hydrolase | Homologous Superfamily |
| IPR002474 | Carbamoyl-phosphate synthase small subunit, N-terminal domain | Domain |
| IPR017926 | Glutamine amidotransferase | Domain |
| IPR036480 | Carbamoyl-phosphate synthase small subunit, N-terminal domain superfamily | Homologous Superfamily |
| IPR002082 | Aspartate carbamoyltransferase | Family |
| IPR005483 | Carbamoyl-phosphate synthase large subunit, CPSase domain | Domain |
| IPR011761 | ATP-grasp fold | Domain |
| IPR006274 | Carbamoyl-phosphate synthase, small subunit | Family |
| IPR006275 | Carbamoyl-phosphate synthase, large subunit | Family |
| IPR016185 | Pre-ATP-grasp domain superfamily | Homologous Superfamily |
| IPR035686 | Carbamoyl-phosphate synthase small subunit, GATase1 domain | Domain |