3.5.99.5	Cu2+	slightly inhibits	19	
3.5.99.5	CuSO4	2 mM, 20% inhibition	263	
3.5.99.5	diethyldicarbonate	2 mM, complete inhibition	310	
3.5.99.5	Hg2+	slightly inhibits	33	
3.5.99.5	MnCl2	2 mM, 20% inhibition	307	
3.5.99.5	additional information	no inhibition by 2-aminomuconic semialdehyde, glycine, alanine, aspartic acid, glutaric acid, 2-aminoadipic acid	2	
3.5.99.5	additional information	metal chelating, sulfhydryl, and surface-active agents do not affect the enzyme reaction	2	
3.5.99.5	Pb2+	slightly inhibits	139	
3.5.99.5	phenylhydrazine	10 mM, 20% inhibition	398	
3.5.99.5	ZnCl2	2 mM, 70% inhibition	271