| Domain | Name | Category | Type |
| IPR004227 | Formiminotransferase catalytic domain | Domain | Domain |
| IPR007044 | Cyclodeaminase/cyclohydrolase | Domain | Domain |
| IPR012886 | Formiminotransferase, N-terminal subdomain | Domain | Domain |
| IPR013802 | Formiminotransferase, C-terminal subdomain | Domain | Domain |
| IPR022384 | Formiminotransferase catalytic domain superfamily | Family | Homologous superfamily |
| IPR036178 | Formimidoyltransferase-cyclodeaminase-like superfamily | Family | Homologous superfamily |
| IPR037064 | Formiminotransferase, N-terminal subdomain superfamily | Family | Homologous superfamily |
| IPR037070 | Formiminotransferase, C-terminal subdomain superfamily | Family | Homologous superfamily |