1.1.1.31	Mn2+	about 127.2% activity at 1 mM	
1.1.1.31	Mn2+	about 130.7% activity at 1 mM	
1.1.1.31	additional information	no metal ion requirement	
1.1.1.31	additional information	has no metal ion requirement, MnSO4, CuSO4, CaCl2, MgSO4, and FeSO4 have no effect	
1.1.1.31	additional information	not influenced by Na+	
1.1.1.31	additional information	not influenced by Na+, K+, NH3+, and Li+