3.4.23.23	additional information	not: PCMB, iodoacetamide, NEM	2	
3.4.23.23	additional information	no effect with PMSF, p-chloromercuriphenylsulfonic acid or EDTA	2	
3.4.23.23	additional information	not inhibited by EDTA and iodoacetic acid	2	
3.4.23.23	additional information	not inhibited by Cu2+ and Na+	2	
3.4.23.23	Mg2+	92.73% residual activity at 5 mM	6	
3.4.23.23	Zn2+	-	14	
3.4.23.23	Zn2+	30% residual activity at 10 mM	14	
3.4.23.23	Zn2+	85.5% residual activity at 5 mM	14	
3.4.23.23	Cu2+	-	19	
3.4.23.23	EDTA	71.1% residual activity at 50 mM	21