Assertion: drug | /r/CapableOf | bind to receptor
Facets:
value: without the efficacy
type: OTHER
Source sentences:
text: The term affinity describes the tendency of a drug to bind to a receptor; efficacy (sometimes called intrinsic activity) describes the ability of the drug-receptor complex to produce a physiological response.
text: Differences in efficacy determine whether a drug that binds to a receptor is classified as an agonist or as an antagonist.
text: A drug with the affinity to bind to a receptor but without the efficacy to elicit a response is an antagonist.