1.13.11.3	2,2'-dipyridyl	activates the enzyme immobilized on calcium alginate, but inhibits the free enzyme and the enzyme immobilized on glyoxyl agarose, at 0.3 mM	742046	
1.13.11.3	Al3+	activates the free enzyme and enzyme immobilized on calcium alginate	742046	
1.13.11.3	Cu2+	increases enzyme activity for both cell-free and immobilized extracts by 8% and 44%, respectively	726481	
1.13.11.3	EDTA	activates the enzyme immobilized on calcium alginate, but inhibits the free enzyme and the enzyme immobilized on glyoxyl agarose, at 0.3 mM	742046	
1.13.11.3	Fe	-	665455	
1.13.11.3	Fe	1.3-1.5 g-atom Fe3+ per mol of enzyme	439499	
1.13.11.3	Fe	10 g-atoms per mol enzyme	439501	
1.13.11.3	Fe	5 Fe atoms per holoenzyme	439503	
1.13.11.3	Fe	5 irons per enzyme molecule	439484	
1.13.11.3	Fe	6.6 iron atoms per holoenzyme of 700000 Da	439493	
1.13.11.3	Fe	7.27 g-atoms iron per mol enzyme	439500	
1.13.11.3	Fe	enzyme contains 4 Fe3+	439504	
1.13.11.3	Fe	enzyme contains 7.3 g-atom of nonheme iron per mol of enzyme	439483	
1.13.11.3	Fe	external addition of FeSO4 is absolutely essential, other metal ions cannot replace Fe2+	439488	
1.13.11.3	Fe2+	activates by 29% at 3 mM	726535	
1.13.11.3	Fe3+	115% activity at 1 mM	741660	
1.13.11.3	Fe3+	activates the enzyme immobilized on calcium alginate	742046	
1.13.11.3	Fe3+	Fe(III)-containing enzyme, 0.8 mol of iron per subunit	763959	
1.13.11.3	Fe3+	increases enzyme activity for both cell-free and immobilized extracts by 16% and 99%, respectively	726481	
1.13.11.3	Fe3+	presence of a alphabetaFe3+ protomer in a variety of stoichiometries	657551	
1.13.11.3	additional information	protective effect of immobilization on calcium alginate on enzyme activity is observed in the presence of Cd2+, Al3+, and Fe3+ while in the presence of Mn2+ and Zn2+ the inhibitory effect of metals on enzyme activity increases	742046