1.14.11.56	1,10-phenanthroline	2 mM, no residual activity	62	
1.14.11.56	Co2+	2 mM, 3% residual activity	23	
1.14.11.56	Co2+	2 mM, 2% residual activity	23	
1.14.11.56	Cu2+	2 mM, 0.3% residual activity	19	
1.14.11.56	Cu2+	2 mM, 1% residual activity	19	
1.14.11.56	diethyldicarbonate	2 mM, no residual activity	310	
1.14.11.56	EDTA	2 mM, 2% residual activity	21	
1.14.11.56	EDTA	2 mM, 1% residual activity	21	
1.14.11.56	Fe3+	2 mM, 68% residual activity	70	
1.14.11.56	Ni2+	2 mM, 8% residual activity	38	
1.14.11.56	Ni2+	2 mM, 4% residual activity	38	
1.14.11.56	Zn2+	2 mM, 0.5% residual activity	14	
1.14.11.56	Zn2+	2 mM, 1% residual activity	14