50 mM Tris-HCl10 mM MgCl21 mM ATP10 mM DithiothreitolpH 7.5 @ 25°C
66 mM Tris-HCl10 mM MgCl21 mM ATP1 mM DTT7.5 % PEG 6000pH 7.6 @ 25°C