3.1.1.58	-18°C, stable for several months	
3.1.1.58	-20°C, stable for several months	
3.1.1.58	4°C, purified recombinant detagged enzyme at about 5 mg/ml, in purification buffer containing 5% v/v glycerol, 10 days with no significant loss of activity	
3.1.1.58	4°C, stable for one week