20mM Tris-HCl, 0.5M NaCl, pH 8.0 and 50% glycerol.
Avoid freeze-thaw cycles. Store working aliquots at 4°C for up to 1 week. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 1 year at -20°C/-80°C.
For research use only. Intended for use by laboratory professionals.