3.1.1.96	KCl	200 mM, markedly stimulates hydrolysis of D-Tyr-tRNATyr	725371	
3.1.1.96	KCl	the initial rate of D-Tyr-tRNATyr hydrolysis, in a 20 mM Tris-HCl buffer (pH 7.8) containing 0.1 mM EDTA, is increased 3–4-fold upon the addition of 50 mM KCl	725336	
3.1.1.96	Mg2+	markedly improves initial rate of D-Tyr-tRNATyr hydrolysis. Optimal concentration: 16 mM	725371	
3.1.1.96	MgCl2	the initial rate of D-Tyr-tRNATyr hydrolysis, in a 20 mM Tris-HCl buffer (pH 7.8) containing 0.1 mM EDTA, is increased 3–4-fold upon the addition of 50 mM MgCl2	725336	
3.1.1.96	additional information	the zinc association, as revealed by crystal analysis, has no functional significance	725346	
3.1.1.96	Zn2+	contains 1 Zn2+ per polypeptide chain	725386	
3.1.1.96	Zn2+	contains strongly bound Zn2+	725371	
3.1.1.96	Zn2+	wild-type the enzyme contains two firmly bound Zn2+	725371	
3.1.1.96	Zn2+	zinc ions are essential to the activity of the protein	726062