buffered aqueous glycerol solution; ≥10,000 units/mL
≥2,000 DEA units/mg protein
lyophilized powder, 30-60 units/mg protein (in glycine buffer)
buffered aqueous solution, ≥2,000 DEA units/mg protein
lyophilized powder, ≥10 DEA units/mg solid
buffered aqueous glycerol solution, ≥4,000 DEA units/mg protein
recombinant, expressed in Pichia pastoris,≥15mg protein/ml (UV); ≥4000 units/mg protein
grade II, from potato; ~2 units/mg protein (at 25 °C with 4-nitrophenyl phosphate as the substrate)