2.4.1.210	-80°C, 10 mM Mes-KOH, pH 7 allows frozen storage with full recovery of activity	
2.4.1.210	-80°C, 50 mM Tris-HCl, pH 8.0, all acivity is lost	
2.4.1.210	4°C, pH 7.5, 10 mM Tris-HCl, enzyme retains 95% of the activity after 3 months, enzyme retains 73% of the activity after 9 months