3.5.2.16	8-hydroxyquinoline	5 mM, 9.4% residual activity	321	
3.5.2.16	EDTA	5 mM, 43.6% residual activity	21	
3.5.2.16	heavy metal ions	-	3689	
3.5.2.16	N-Carbamoyl-beta-alanine	-	1829	
3.5.2.16	Pyridine-2,4-dicarboxylate	5 mM, 20.8% residual activity	1935	
3.5.2.16	sulfhydryl reagents	inhibition may be caused by modification of sulfhydryl residues involved in activity	978