2.7.1.48	2-mercaptoethanol	1-2.5 mM, 40-50% activation of Pb2+-precipitated uridine kinase	641652	
2.7.1.48	5-bromo-1-(methanesulfonyl) uracil	significantly increased activity at 0.001 mM	673504	
2.7.1.48	dithiothreitol	1-2.5 mM, 40-50% activation of Pb2+-precipitated uridine kinase	641652