| cholinesterase reactivator | A drug that reacts directly with the alkylphosphorylated enzyme to free the active unit; the drugs used therapeutically to reactivate phosphorylated forms of acetylcholinesterase are oximes, e.g., diacetylmonoxime, monoisonitrosoacetone, 2-pralidoxime. (05 Mar 2000) |
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| enzyme reactivator | <biochemistry> Compounds which restore enzymatic activity by removing an inhibitory group bound to the reactive site of the enzyme. (12 Dec 1998) |