尿激酶 ≥85%,效价5-6万IU/mg,比活12万IU/mg

为人尿或肾细胞的蛋白水解酶。天然底物是纤溶酶原。对湿敏感。溶于水。干粉在4℃较稳定，水溶液在4℃的稳定期为3天。 Physical form Lyophilized from 1 mL of 50 mM Tris-HCl, pH 7.4 with 100 mM NaCl, 0.1% PEG 6000, and 200 mM mannitol Physical properties High molecular weight form migrating at 54 kDa by SDS-PAGE under non-reducing conditions