Type IV, lyophilized powder, ≥2,000 Kunitz units/mg protein

recombinant, expressed in Pichia pastoris, buffered aqueous glycerol solution, ≥5,000 units/mg protein

buffered aqueous glycerol solution; 5-15 mg protein/ml; ≥10000 un/mg protein

lyophilized powder, Protein ≥85 %, ≥400 Kunitz units/mg protein

Restriction Enzyme; buffered aqueous glycerol solution; ≥10,000 units/mL

Type IV, lyophilized powder, 2,000-6,000 Kunitz units/mg protein (biuret)

Type V, essentially salt-free, lyophilized powder, ≥1,000 units/mg protein

ammonium sulfate suspension, 300,000-600,000 units/mg protein