SEARCH Articles Figures Tables Active Sites and Substrate Binding Models Binding activity GABAa receptors, activation barbiturate binding site GABAa receptors, activation benzodiazepine binding site Inhibitors Bind at the Active Site Platelet-activating factor , binding sites Protease Inhibitors that Bind to One Side of the Active Site Specific Amino Acids at the Active-Site Involved in Catalysis and Substrate Binding Sterically active binding sites Substrate binding at an active site Sulfate binding protein active site Sulfhydryl groups, metal binding active site The Law of Mass Action, binding sites and receptors—understanding why specific, potent biological activity is a rare property for any one chemical to possess Virus Sialidase Substrate Binding and Active Site