6.2.1.30	-20°C or -70°C, 70% loss of activity after 1 week	
6.2.1.30	-20°C, 10% glycerol, activity is retained for 2 months without remarkable loss of activity	
6.2.1.30	-20°C, crude enzyme is stable in presence of glycerol for 2-3 weeks, more than 50% loss of activity of the purified enzyme	
6.2.1.30	-20°C, purified recombinant protein in TANG buffer, several months without significant loss of activity	
6.2.1.30	0°C, 24 h, very little activity retained, sucrose and 2-mercaptoethanol stabilize	
6.2.1.30	4°C, 10% glycerol, 65% of the activity is recovered after 72 h	
6.2.1.30	4°C, 90% loss of activity after 1 day without glycerol, plus 10% glycerol, half-life: 2 days, plus 5 mM phenylacetate, half-life: 1 week, plus 35% glycerol, half-life: 2 weeks	
6.2.1.30	4°C, purified recombinant enzyme, 72 h no loss of activity, in the presence of 10% glycerol stable for up to 3 weeks