A steric blockade model for inhibition of acetylcholinesterase by peripheral site ligands and substrate.


The active site gorge of acetylcholinesterase (AChE) contains two sites of ligand binding, an acylation site near the base of the gorge and a peripheral site at its mouth. We recently introduced a steric blockade model which demonstrated that small peripheral site ligands like propidium can inhibit substrate hydrolysis simply by decreasing the substrate… (More)


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