recombinant from E.
recombinant, expressed in E. coli
≥90 U/mg
Type XVII, buffered aqueous glycerol solution, ≥400 units/mg protein
Type XI, lyophilized powder, 600-1,200 units/mg protein
Type X, ammonium sulfate suspension, ≥600 units/mg protein
Type II, ammonium sulfate suspension, 800-1,200 units/mg protein
Type III, ammonium sulfate suspension, ≥500 units/mg protein