Unit Definition:One unit is defined as the amount of SaII required to digest 1ug of lambda DNA-Eco81I in fragments in 1 hour at 37°C in 50ul of assay buffer.
Storage Buffer:Supplied as a liquid in 10mM Tris-HCl, pH 7.4, 100mM KCl, 1mM DTT, 0.1mM EDTA, 0.2mg/ml BSA, 50% glycerol.