1.2.5.2	-20°C, purified enzyme, 30 days, remains stable	
1.2.5.2	-70°C, stable for prolonged periods	
1.2.5.2	-70°C, stable for several months	
1.2.5.2	-70°C, stable for weeks without appreciable loss of activity	
1.2.5.2	-80°C, purified enzyme, 25 mM Tris-HCl, pH 8.0, stable for more than 6 months	
1.2.5.2	-80°C, stable for prolonged periods in 20 mM Tris-HCl, pH 8.0, containing 5 mM CaCl2	
1.2.5.2	4°C, 1% Triton X-100, 10 mM benzaldehyde, pH 4.0, several weeks, no loss of activity	
1.2.5.2	4°C, purified enzyme, few days, remains stable	
1.2.5.2	4°C, stable for several weeks	
1.2.5.2	4°C, stable for several weeks without appreciable loss of activity