4.2.1.39	2-mercaptoethanol	-	63	
4.2.1.39	2-mercaptoethanol	56% inhibition at 10 mM	63	
4.2.1.39	2-mercaptoethanol	1 mM, 17% inhibition	63	
4.2.1.39	Ca2+	-	15	
4.2.1.39	Co2+	-	23	
4.2.1.39	dithiothreitol	-	45	
4.2.1.39	dithiothreitol	63% inhibition at 10 mM	45	
4.2.1.39	dithiothreitol	1 mM, 24% inhibition	45	
4.2.1.39	EDTA	-	21	
4.2.1.39	EDTA	70% inhibition at 0.1 mM	21	
4.2.1.39	Fe2+	deactivates the enzyme	25	
4.2.1.39	glutathione	1 mM, 41% inhibition	44	
4.2.1.39	L-cysteine	-	74	
4.2.1.39	L-cysteine	35% inhibition at 10 mM	74	
4.2.1.39	Ni2+	-	38	
4.2.1.39	p-chloromercuribenzoate	-	43	
4.2.1.39	p-chloromercuribenzoate	30% inhibition at 0.01 mM	43	
4.2.1.39	sulfhydryl compounds	-	1771	
4.2.1.39	Zn2+	-	14