EC 1.1.1.44 Recombinant from E. coli. In 3.2 M ammonium sulphate.Specific activity: 21.4 U/mg (25oC, pH 7.6). Contaminants: NADH oxidase = 0.00015 %, NADPH oxidase < 0.001 %.Stable at 4oC for > 2 years.
