| 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 |