Domains of beta1 and beta2 adrenergic receptors to bind subtype selective agonists.


We studied the binding region of several beta1 and beta2 selective agonists by using chimeric beta1 and beta2ARs, and point-mutated beta2 adrenergic receptors (ARs). By replacing a single transmembrane domain (TMD) of beta1AR (or beta2AR) with the corresponding region of beta2AR (or beta1AR), we found that beta2 or beta1 selectivities were determined by… (More)


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