| Domain | Name | Category | Type | 
	
		| IPR000860  | Porphobilinogen deaminase | Family | Family | 
	
		| IPR022417  | Porphobilinogen deaminase, N-terminal | Domain | Domain | 
	
		| IPR022418  | Porphobilinogen deaminase, C-terminal | Domain | Domain | 
	
		| IPR022419  | Porphobilinogen deaminase, dipyrromethane cofactor binding site | Site | Binding site | 
	
		| IPR036803  | Porphobilinogen deaminase, C-terminal domain superfamily | Family | Homologous superfamily |