| Antigen | Human beta-actin (mol wt ~43 kda) was purified platelets cells (>99%, cat # ACTB16-N). The purified preparation may contain traces of gamma-actin. Purified protein is supplied in 5 mM Tris, pH 8, 0.2 mM CaCl2, 0.2mM ATP, 5% (w/v) sucrose, and 1% (w/v) dextran in liquid at 1 mg/ml or in powder form. |