3.5.1.3 additional information no activation by Mg2+ 3.5.1.3 additional information no effect of 0.05 M NaCl, KCl, MgCl2, CaCl2, or BaCl2 3.5.1.3 additional information no effect of Ca2+, no activation with 50 mM CaCl2, toward substrates alpha-ketoglutaramate or alpha-ketosuccinamate 3.5.1.3 additional information no requirement for any metal ions for hydroxamate formation 3.5.1.3 additional information no Mg2+ requirement for omega-amidase activity 3.5.1.3 additional information no requirement for Mg2+ or Mn2+ for formation of hydroxamate