产品信息 Form Liquid Formulation In 100 mM NaCl, 50 mM sodium phosphate buffer, 1 mM EDTA, pH 6.6. Avoid freeze/thaw 是的 Biological activity ≥90% by uPA assay. Purity ≥95% by SDS-PAGE assay Storage ≤ -70°C Highly purified preparation of an altered form of human PAI-1 containing four mutated amino acids. Mutant PAI-1 is virtually unable to go latent and is stable at elevated temperature and pH for extended periods of time (t½ = 145 hours at 37°C, pH 7.4). Inhibits uPA (Ki = 5.1 x 106 M-1 sec-1) and tPA (Ki = 7.9 x 105 M-1 sec-1).