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TYPICAL BINDING CURVE. Maximum Number of receptors. SPECIFIC BINDING (NUMBER OF RECEPTORS OCCUPIED). Kd. Concentration of Drug Used. Kd or IC50: concentration that gives 50% maximal binding; measure of AFFINITY of the drug for the receptor. efficacy. ED50.
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TYPICAL BINDING CURVE Maximum Number of receptors SPECIFIC BINDING (NUMBER OF RECEPTORS OCCUPIED) Kd Concentration of Drug Used Kd or IC50: concentration that gives 50% maximal binding; measure of AFFINITY of the drug for the receptor
efficacy ED50 ED50: effective dose 50; dose that gives 50% maximal effect; measure of POTENCY of the drug