1.1.1.192	dithiothreitol, 2 mM, no stabilization, crude extract	
1.1.1.192	ethylene glycol, 20% w/w, no stabilization, crude extract	
1.1.1.192	solubilization with 1% Tween 80 or Triton X-100 at 4°C stimulates inactivation, crude extract