2.7.2.1	Ca2+	-	487537, 642172, 642173, 642181, 642184, 642189, 642196	
2.7.2.1	Ca2+	can replace Mg2+, but less effectively	642178	
2.7.2.1	Ca2+	isoenzyme I	642179	
2.7.2.1	Ca2+	the enzyme requires a divalent cations for activity (Mn2+, Mg2+ Co2+ or Ca2+). Cu2+, Ni2+, or Zn2+ resulted in no significanta activity	727804	
2.7.2.1	Co2+	-	487537, 642172, 642179, 642181, 642184, 642189	
2.7.2.1	Co2+	can partly substitute for Mn2+ or Mg2+	737465	
2.7.2.1	Co2+	can replace Mg2+	642173, 642178	
2.7.2.1	Co2+	the activity is strongly dependent on Mg2+ (100%), Mn2+ (100%) or Co2+ (68 %) ions	746769	
2.7.2.1	Co2+	the enzyme requires a divalent cations for activity (Mn2+, Mg2+ Co2+ or Ca2+). Cu2+, Ni2+, or Zn2+ resulted in no significanta activity	727804	
2.7.2.1	Co2+	Vmax: 15%, compared to Mg2+ or Mn2+	721949	
2.7.2.1	Cu2+	-	642179	
2.7.2.1	K+	the enzyme requires monovalent K+ and divalent Mn2+or Mg2+ cations	738528	
2.7.2.1	Mg2+	-	487537, 642167, 642168, 642169, 642172, 642173, 642176, 642178, 642179, 642180, 642181, 642190, 642195, 642196, 642197	
2.7.2.1	Mg2+	1.3 mM used in assay conditions. The activity of the enzyme in the presence of Mg2+ is about 80% of that in the presence of Mn2+	757471	
2.7.2.1	Mg2+	10 mM used in assay conditions	761006	
2.7.2.1	Mg2+	40 mM used in assay conditions	744070	
2.7.2.1	Mg2+	5 mM used in assay conditions	762441	
2.7.2.1	Mg2+	absolute requirement	642183	
2.7.2.1	Mg2+	absolute requirement at pH 7.4	642166	
2.7.2.1	Mg2+	binding constants of enzyme variants with ADP measured	690888	
2.7.2.1	Mg2+	dependence on Mg2+ or Mn2+ ions, Km values is 0.28 mM	737465	
2.7.2.1	Mg2+	required	738717, 738854, 738863, 739218, 739591	
2.7.2.1	Mg2+	required for activity	761931	
2.7.2.1	Mg2+	strict requirement	642187	
2.7.2.1	Mg2+	the activity is strongly dependent on Mg2+ (100%), Mn2+ (100%) or Co2+ (68 %) ions	746769	
2.7.2.1	Mg2+	the enzyme requires a divalent cations for activity (Mn2+, Mg2+ Co2+ or Ca2+). Cu2+, Ni2+, or Zn2+ resulted in no significanta activity	727804	
2.7.2.1	Mg2+	the enzyme requires Mn2+ or Mg2+	739591	
2.7.2.1	Mg2+	the enzyme requires monovalent K+ and divalent Mn2+or Mg2+ cations	738528	
2.7.2.1	Mg2+	Vmax: 100%	721949	
2.7.2.1	Mn2+	-	487537, 642172, 642173, 642179, 642180, 642181, 642183, 642184, 642187, 642189, 642190, 642195, 642196	
2.7.2.1	Mn2+	10 mM used in assay conditions. The enzyme exhibits about 25% higher specific activity with manganese as a cofactor compared to magnesium	760452	
2.7.2.1	Mn2+	dependence on Mg2+ or Mn2+ ions, Km values is 0.47 mM	737465	
2.7.2.1	Mn2+	Mn2+ supports highest enzyme activity	757471	
2.7.2.1	Mn2+	the activity is strongly dependent on Mg2+ (100%), Mn2+ (100%) or Co2+ (68 %) ions	746769	
2.7.2.1	Mn2+	the enzyme requires a divalent cations for activity (Mn2+, Mg2+ Co2+ or Ca2+). The maximum rate is obtained with Mn2+	727804	
2.7.2.1	Mn2+	the enzyme requires Mn2+ or Mg2+	739591	
2.7.2.1	Mn2+	the enzyme requires monovalent K+ and divalent Mn2+or Mg2+ cations	738528	
2.7.2.1	Mn2+	Vmax: 100%	721949	
2.7.2.1	additional information	Co2+, Ca2+, Cd2+ and Zn2+ can replace Mg2+ or Mn2+ only partially	642180	
2.7.2.1	additional information	no activity with Ba2+, Ca2+, Zn2+, or Cu2+	737465	
2.7.2.1	additional information	no activity with Cu2+, Ni2+ or Zn2+	642184	
2.7.2.1	additional information	no activity with Cu2+, Ni2+, Hg2+, Ba2+ or Fe2+	642181	
2.7.2.1	additional information	no activity with Zn2+	642189	
2.7.2.1	Ni2+	-	487537, 642172	
2.7.2.1	Ni2+	Vmax: 5%, compared to Mg2+ or Mn2+	721949	
2.7.2.1	Pb2+	-	642173	
2.7.2.1	Zn2+	-	487537, 642172, 642179, 642181