2.8.4.1	ADP	in absence of reducing agents	393255	
2.8.4.1	arsenate	in absence of reducing agents	393255	
2.8.4.1	ATP	-	393255	
2.8.4.1	ATP	absolute requirement, activation of the methylreductase system and not at the catalytic level	393257	
2.8.4.1	ATP	stimulates the reactivation	393251	
2.8.4.1	CN-B12	-	393257	
2.8.4.1	Cobalamin	-	393255	
2.8.4.1	Cobalamin	aquocobalamin	393256	
2.8.4.1	coenzyme F-420	enzyme system is stimulated	393257	
2.8.4.1	dithiothreitol	-	393255, 393256, 393257