10 mM
Tris-HCl (pH8.0)
50 mM
KCl
1 mM
MgCl2
0.1 mM
ZnCl2
50%
Glycerol
500 mM
Tris-HCl (pH9.0)
1 M
Diethanolamine (pH9.8)
0.5 mM
15 mM
p-nitrophenyl phosphate