2.8.1.6	FAD	enhances activity	645589	
2.8.1.6	Fe-S center	the active site of the enzyme involves a [4Fe-4S] cluster	725646	
2.8.1.6	Fe-S center	the enzyme contains a [2Fe-2S]2+ cluster	725208	
2.8.1.6	Fe-S center	the enzyme contains one [4Fe-4S]2+ cluster and one air-stable [2Fe-2S]2+ cluster per monomer	724449	
2.8.1.6	Ferredoxin	required	645585	
2.8.1.6	flavodoxin	required	645585, 645593, 645595	
2.8.1.6	iron-sulfur centre	-	702042, 702256, 702281, 704715	
2.8.1.6	additional information	not: pyridoxal 5’-phosphate	661114	
2.8.1.6	NADH	-	645611	
2.8.1.6	NADH	enhances activity	645589