2.1.1.11	dithiothreitol	about 80% increase in activity in presence of dithiothreitol	
2.1.1.11	magnesium chelatase	0.004 mM, maximal stimulation of activity	
2.1.1.11	Phospholipids	increase enzymatic activity 3-4fold	
2.1.1.11	thiol compounds	stimulate