lyophilized powder, ≥50 units/mg protein
Type I, lyophilized powder, ≥10 units/mg protein (using p-nitrophenyl α-D-glucoside as substrate.)
Type V, ammonium sulfate suspension, 40-80 units/mg protein
lyophilized, powder, ≥6 U/mg
lyophilized powder, ≥2 units/mg solid
lyophilized powder, 10-30 units/mg solid
recombinant, expressed in E. coli, buffered aqueous solution; ≥20 units/mg protein; ≥40 units/ml
expressed in E. coli; ≥85% (SDS-PAGE); ≥20 units/mg protein