Proteinase K SolutionA concentrated, ready to use liquid formulation. Proteinase K prepared at 20mg/ml in 10mM Tris-HCl, 1mM calcium acetate, pH 7.5 containing 50% glycerol. DNase- and RNase- free. Store at -20C. REQUIRES SPECIAL SHIPPING: ICE PACKThis material is sold for in-vitro use only in manufacturing and research and is not suitable for use in humans or animals. This material should be handled with general laboratory precaution.