function:Regulates beta-adrenergic receptor function. Beta-arrestins seem to bind phosphorylated beta-adrenergic receptors, thereby causing a significant impairment of their capacity to activate G(S) proteins.,online information:Arrestin entry,similarity:Belongs to the arrestin family.,
Cytoplasm. Nucleus. Cell membrane. Membrane, clathrin-coated pit . Cytoplasmic vesicle. Translocates to the plasma membrane and colocalizes with antagonist-stimulated GPCRs.
Brain,Cord blood,Endometrium,Muscle,Pancreas,Testis,Thyroid,