1.17.4.2	-100°C, may be stored as frozen paste for at least 3 months without significant loss of activity	
1.17.4.2	-20°C, crude extracts relatively unstable, most of the activity disappears within a few weeks	
1.17.4.2	-65°C, no detectable loss of enzyme has been observed during several years of storage of packed bacteria	
1.17.4.2	0-4°C, acetone and hydroxylapatite fractions are quite stable, at least 70-80% of their activities remain after 3 months	
1.17.4.2	0-4°C, crude extracts relatively unstable, most of the activity disappears within a few weeks	
1.17.4.2	20°C, 0.03 M dimethylglutarate buffer, pH 7.2, remains fully active on storage for 24 h