1.14.18.3	-80°C, pMMO is stable to proteolysis for many months	
1.14.18.3	-80°C, pMMO kinetically type I with respect to O2-sensitivity, repeated freeze-thaw-cycles, stable	
1.14.18.3	4°C, membrane-bound enzyme, activity is lost after 24 h, can be stabilized by succinate	
1.14.18.3	4°C, pMMO in membrane fractions under nitrogen atmosphere, 4 days, 20% loss of activity	
1.14.18.3	4°C, pMMO is stable to proteolysis for 1-2 weeks	
1.14.18.3	4°C, reducing argon or nitrogen atmosphere, no loss of activity after 1 week