1.18.1.3 -20°C, 1 month, minimal loss of activity 1.18.1.3 -20°C, 3 months, little loss of activity 1.18.1.3 0-4°C, stable for up to 30 h 1.18.1.3 0-5°C, 30% loss of activity after 5 days 1.18.1.3 70°C, 50 mM potassium phosphate buffer (pH 7.0), 60% glycerol (v/v), subunit CymA is stable for 1 month