Article
Localization of the sites mediating desensitization of the beta(2)-adrenergic receptor by the GRK pathway.
Molecular pharmacology - 1 Nov 2000
Seibold A, Williams B, Huang Z F, Friedman J, Moore R H, Knoll B J, Clark R B
Abstract excerpt
The human beta(2)-adrenergic receptor (betaAR) is rapidly desensitized in response to saturating concentrations of agonist by G protein-coupled receptor kinases (GRKs) and cAMP-dependent protein kinase A (PKA) phosphorylation of the betaAR, followed by beta-arrestin binding and receptor internalization. betaAR sites phosphorylated by GRK in vivo have not yet been identified. In this study, we examined the role of...
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