2.8.1.4 -20°C, freezing causes a 50% loss of sulfurtransferase activity 2.8.1.4 -20°C, partly purified pooled protein fractions can be stored indefinitely for periods up to several months 2.8.1.4 -60°C, instable on storage, overnight storage results in 50% lost of activity 2.8.1.4 -75°C, ammonium sulfate fractionated preparation retains its activity for several months 2.8.1.4 0-4°C, 50% glycerol, storage of the complex for 1 week results in a loss of 30-60% of the 3 different activities 2.8.1.4 0°C, only slight loss of enzymatic activity on overnight storage 2.8.1.4 4°C, addition of toluene, can be stored indefinitely for periods up to several months 2.8.1.4 4°C, instable, cannot be dialyzed without loss of activity