Native urokinase from human urine. A thrombolytic agent that converts plasminogen to plasmin. A mixture of high molecular weight (54 kDa) and low molecular weight (33 kDa) urokinase.

Note: 1 unit = 1 CTA unit = 0.7 Ploug units. 1 KU = 1000 units.

Lyophilized from 200 mM mannitol, 100 mM NaCl, 50 mM Tris-HCl, 0.1% PEG, pH 7.5.

Following reconstitution, aliquot and freeze (-70°C). Stock solutions are stable for up to 6 months at -70°C.

Prepared from urine of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Reconstitute in distilled H₂O

Bell, W.R. 1975. Semin. Thromb. Res.2, 1.
Johnson, A.J., et al. 1969. Thromb. Diath. Haemorrh. 21, 259.

One unit is defined as the amount of enzyme equal to an international standard tested by the fibrinolytic method of Johnson, et al.

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Toxicity: Standard Handling (A)