≥15 units/mg protein
lyophilized powder, 50-125 units/mg protein
lyophilized powder, ≥60 units/mg protein
Type III, ammonium sulfate suspension, TPI 750-2000 units/mg protein, GDH 75-200 units/mg protein (biuret)
Type I, ammonium sulfate suspension, 100-300 units/mg protein
Type X, lyophilized powder, ≥100 units/mg protein
recombinant, expressed in E. coli, ≥2.7 units/mg solid
vacuum-dried powder, ≥0.6 units/mg solid