- Rhodanese from bovine liver,Type II, essentially salt-free, lyophilized powder, 100-300 units/mg solid, 5mg
- Plasminogen, from human plasma,≥2.0 units/mg protein, lumps and powder, suitable for streptokinase determination by clot formation procedure, 25U
- Phospholipase C, Phosphatidylinositol specific, from Bacillus cereus,≥1,000 units/mg protein (Lowry), 100U
- Phospholipase C, Phosphatidylinositol specific, from Bacillus cereus,≥1,000 units/mg protein (Lowry), 1KU