Prostate Specific Antigen, Enzymatically Active, Human Seminal Fluid Native, enzymatically active prostate specific antigen from human seminal fluid. A single-chain glycoprotein with one asparagine-linked carbohydrate side chain. A preeminent clinical tumor marker in the management of patients with prostate cancer. 产品信息 Form Liquid Formulation In 0.2 µm sterile-filtered 10 mM PBS, pH 7.4, ≤0.1% sodium azide. Molar mass 30000 Avoid freeze/thaw 是的 Biological activity Biologically active as tested by its ability to hydrolyze the synthetic peptide substrate MeO-Suc-Arg-Pro-Tyr-pNA Purity ≥95% by SDS-PAGE Source Prepared from fluids of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. 商店和运输信息 Storage -20°C Ship Blue Ice Only Standard Handling