4.1.1.112	Mn2+	required, can be substituted by Mg2+, Co2+, Ni2+, Ca2+	4276	
4.1.1.112	Mn2+	the enzyme is dependent on divalent metal ions with 100% activity at 20 mM Mn2+	714979	
4.1.1.112	Na+	dependent on	663796	
4.1.1.112	Na+	protects against tryptic digestion	651122	
4.1.1.112	Ni2+	activates	4272, 664936	
4.1.1.112	Zn2+	active site metal ion, 2 mol Zn2+ per mol enzyme	681424	
4.1.1.112	Zn2+	binds to the gamma subunit	650185, 651122	
4.1.1.112	Zn2+	bound at the gamma-subunit, coordinated by several residues at the hydrophilic C-terminus	726821	
4.1.1.112	Zn2+	subunit Oad-gamma contains a Zn(II)-bound metal	715662	
4.1.1.112	Zn2+	the gamma subunit contains zinc	716673