4-hydroxymercuribenzoate
0.1 mM, complete loss of activity
NaCl
0.2 M, 50% loss of activity
Quinacrine
0.5 mM, 15% loss of activity
Acriflavin
0.5 mM, 69% loss of activity
1,10-phenanthroline
0.5 mM, 82% loss of activity
iodoacetate
2 mM, complete loss of activity
diethyldithiocarbaminate
inhibits after a prolonged incubation time
EDTA
inhibits after a prolonged incubation time