1.17.1.9	Ca2+	1 mM Ca2+ improves the enzyme activity by 77%	724094	
1.17.1.9	Ca2+	the enzyme activity is increased 13.8% over the control by 1 mM Ca2+	725222	
1.17.1.9	Co2+	1 mM Co2+ improves the enzyme activity by 46%	724094	
1.17.1.9	Co2+	the enzyme activity is increased 9.8% over the control by 1 mM Co2+	725222	
1.17.1.9	Fe	5-8 mol of iron per mol of enzyme	288087	
1.17.1.9	Fe	contains 11-18 gatoms of non-heme iron per mol of enzyme	288083	
1.17.1.9	Fe	formate dehydrogenase I contains 18-25 mol of iron per mol of enzyme. Formate dehydrogenase II contains 6-10 mol of iron per mol of enzyme	288092	
1.17.1.9	Fe	two distinct [Fe-S] centres	288120	
1.17.1.9	Fe2+	the enzyme activity is increased 49.4% over the control by 1 mM Fe2+	725222	
1.17.1.9	Iron	contains 5 mol nonheme iron per mol of enzyme. The beta-subunit contains a putative binding motif for an iron-sulfur cluster. The alpha-subunit contains at least one iron-sulfur cluster	655461