3.1.1.34	-70°C, 1 mg bovine serum albumin per ml or 50% glycerol, stable for several days	
3.1.1.34	-70°C, 8 weeks, 20% loss of activity	
3.1.1.34	0°C, 1% serum albumin, 1 h, 60% loss of activity	
3.1.1.34	4°C, moderate stability