| Domain | Name | Category | Type |
| IPR000089 | Biotin/lipoyl attachment | Domain | Domain |
| IPR001882 | Biotin-binding site | Site | Binding site |
| IPR005479 | Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain | Domain | Domain |
| IPR005481 | Biotin carboxylase-like, N-terminal domain | Domain | Domain |
| IPR005482 | Biotin carboxylase, C-terminal | Domain | Domain |
| IPR011053 | Single hybrid motif | Family | Homologous superfamily |
| IPR011054 | Rudiment single hybrid motif | Family | Homologous superfamily |
| IPR011761 | ATP-grasp fold | Domain | Domain |
| IPR011764 | Biotin carboxylation domain | Domain | Domain |
| IPR013815 | ATP-grasp fold, subdomain 1 | Family | Homologous superfamily |
| IPR016185 | Pre-ATP-grasp domain superfamily | Family | Homologous superfamily |