| Domain | Name | Category | Type | 
		| IPR003952 | Fumarate reductase/succinate dehydrogenase, FAD-binding site | Site | Binding site | 
		| IPR003953 | FAD-dependent oxidoreductase 2, FAD binding domain | Domain | Domain | 
		| IPR011281 | Succinate dehydrogenase, flavoprotein subunit | Family | Family | 
		| IPR014006 | Succinate dehydrogenase/fumarate reductase, flavoprotein subunit | Family | Family | 
		| IPR015939 | Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal | Domain | Domain | 
		| IPR027477 | Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily | Family | Homologous superfamily | 
		| IPR036188 | FAD/NAD(P)-binding domain superfamily | Family | Homologous superfamily | 
		| IPR037099 | Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamily | Family | Homologous superfamily |