3.4.24.49 1,10-phenanthroline by 2 mM 62 3.4.24.49 DTT by 2 mM 177 3.4.24.49 EDTA complete inhibition 21 3.4.24.49 EDTA by 2 mM 21 3.4.24.49 EGTA complete inhibition 173 3.4.24.49 EGTA by 2 mM 173 3.4.24.49 oxalate 85% inhibition, restorage of 85% of activity by removal of oxalate by addition of Ca2+ 185