2.7.4.8	Ca2+	10% as effective as Mg2+	642684	
2.7.4.8	Ca2+	activation	642685, 642686	
2.7.4.8	Ca2+	no activator	642561, 642688	
2.7.4.8	Co2+	-	642685	
2.7.4.8	Co2+	activation	642687	
2.7.4.8	Co2+	can partially replace Mg2+	642561, 642690, 642694	
2.7.4.8	Co2+	less than 7% as effective as Mg2+	642684	
2.7.4.8	Fe2+	activation, 90% as effective as Mg2+	642684, 642694	
2.7.4.8	Fe2+	no activator	642685	
2.7.4.8	Fe3+	activation, less than 7% as effective as Mg2+	642684	
2.7.4.8	Fe3+	no activator	642685	
2.7.4.8	K+	activation	642684, 642685, 642686, 642687, 642688	
2.7.4.8	K+	activity of dGMP kinase progressively enhanced as the concentration of KCl is increased to 250 mM, GMP phosphorylation unaffected	642684	
2.7.4.8	K+	dGMP, not GMP as substrate	642684, 642685, 642686	
2.7.4.8	Li+	partial activity	642688	
2.7.4.8	Mg2+	-	642561, 642687, 642688, 642690, 642691, 642697, 642698, 642701, 675894	
2.7.4.8	Mg2+	active substrate: MgATP2-	642686, 642694	
2.7.4.8	Mg2+	required	738145, 738614, 739240, 739667	
2.7.4.8	Mg2+	requirement	642684, 642685, 642686, 642694	
2.7.4.8	Mn2+	60% as effective as Mg2+	642687	
2.7.4.8	Mn2+	can partially substitute for Mg2+	739240	
2.7.4.8	Mn2+	equally effective as Mg2+	642684, 642687	
2.7.4.8	Mn2+	requirement	642561, 642684, 642685, 642687, 642688, 642690, 642694	
2.7.4.8	additional information	-	642685, 642686, 642688	
2.7.4.8	additional information	GMP-kinase activity is less sensitive to metal ions than dGMP-kinase activity	642685	
2.7.4.8	additional information	no activation by Sr2+ or Cs2+	642688	
2.7.4.8	Na+	activation	642685, 642688	
2.7.4.8	Na+	no activator	642686	
2.7.4.8	NH4+	activation	642685, 642686, 642687, 642688	
2.7.4.8	NH4+	less effective than K+	642685, 642686	
2.7.4.8	Ni2+	activation	642685	
2.7.4.8	Rb+	-	642685	
2.7.4.8	Rb+	activation, less effective than K+	642686	
2.7.4.8	Zn2+	-	642685	
2.7.4.8	Zn2+	activation	642561, 642686	
2.7.4.8	Zn2+	can partially replace Mg2+	642561	
2.7.4.8	Zn2+	less than 7% as effective as Mg2+	642684