2.8.1.6	amino acid	one of the amino acids: Asn, Asp, Gln or Ser	645585	
2.8.1.6	asparagine	required	645594	
2.8.1.6	D-fructose 1,6-bisphosphate	enhances biotin formation	645610	
2.8.1.6	dithiothreitol	-	645582, 645595	
2.8.1.6	dithiothreitol	10fold stimulation of cysteine desulfurase activity of the enzyme at 20 mM	645609	
2.8.1.6	dithiothreitol	potential sulfur donor	645593	
2.8.1.6	dithiothreitol	required	645610	
2.8.1.6	dithiothreitol	required for formation of mixed [Fe-S] cluster state	645613	
2.8.1.6	flavodoxin	-	645599	
2.8.1.6	flavodoxin reductase	-	645599