EC 1.1.1.37 From E. coli. This recombinant enzyme has been expressed in E. coli and purified by affinity chromatography. Electrophoretically homogeneous (MW 34,500). In 3.2 M ammonium sulphate. Specific activity: 1130 U/mg (25°C, pH 7.5. on oxaloacetic acid. Contaminants:L-glutamic-oxaloacetic transaminase = 0.0058 %, NADH oxidase < 0.001 %. Stable at 4oC for > 4 years.
