| Domain | Name | Category | Type | 
	
		| IPR007115  | 6-pyruvoyl tetrahydropterin synthase/QueD family | Family | Family | 
	
		| IPR022469  | 6-pyruvoyl tetrahydropterin synthase, histidine active site | Site | Active site | 
	
		| IPR022470  | 6-pyruvoyl tetrahydropterin synthase, cysteine active site | Site | Active site | 
	
		| IPR038418  | 6-pyruvoyl tetrahydropterin synthase/QueD superfamily | Family | Homologous superfamily |