Kallikrein, Human Plasma Form Liquid Formulation In NaCl and Tris-HCl buffer. Molar mass 86000 Avoid freeze/thaw 是的 Specific activity ≥15 units/mg protein Unit definition One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol D-Pro-Phe-Arg-pNA per min at 25°C, pH 8.0. Purity ≥95% by SDS-PAGE Source Prepared from plasma that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. EC number 3.4.21.34 RTECS NZ2017050 CAS number 9001-01-8 Merck USA index 14, 5279 商店和运输信息 Storage -20°C Ship Dry Ice Only Harmful