3.2.2.6	-20°C, stable for several weeks	
3.2.2.6	20°C, lyophilized enzyme, 90% remaining activity after 6 months	
3.2.2.6	4°C to -196°C, 10 mM Tris-HCl, pH 8.0, 0.1% Triton X-100, at least 1 month, stable	
3.2.2.6	4°C, -20°C, -80°C or -196°C, pH 8.0, 0.1% Triton X-100, 10 mM Tris-HCl, stable for at least 1 month	
3.2.2.6	4°C, 0.1 M Tris-HCl buffer, pH 7.0, 50% loss of activity