1,10-phenanthroline
slight inhibition at 1 mM, 50-70% inhibition at 5 mM
glycerol
10% v/v, complete irreversible inactivation
more
no inhibition by KCN, EDTA, diethyl dithiocarbamate, phenanthroline or N-ethylmaleimide, 2 mM each
p-chloromercuribenzoate
0.5 mM
p-hydroxymercuribenzoate
complete inhibition at 1 mM
sucrose
20% w/v, complete irreversible inactivation