2.7.11.15 additional information GRK2 is ubiquinated after being tyrosine phosphorylated leading to its proteolytic degradation via the ubiquitine/proteasome pathway, regulation overview 662911 2.7.11.15 additional information mechanisms of regulation of GRK protein stability and degradation, e.g. via ubiquination or protease cleavage, overview 661455 2.7.11.15 additional information mechanisms of regulation of GRK protein stability and degradation, e.g. via ubiquitination or protease cleavage, overview 661455 2.7.11.15 additional information no autophosphorylation of beta-ARK 1 645028 2.7.11.15 phosphoprotein - 662401, 724779 2.7.11.15 phosphoprotein autophosphorylation, the site often depends more on structure than on primary sequence 490797 2.7.11.15 phosphoprotein enzyme appears to autophosphorylate 645001 2.7.11.15 phosphoprotein enzyme phosphorylation at Tyr-13, Try-86, and Try-92 by c-Src and phosphorylation at Ser-685 by protein kinase A are associated with increased enzyme activity, whereas phosphorylation at Ser-670 by CDK2/ERK1/2 negatively regulates enzyme activity 760331 2.7.11.15 phosphoprotein epinephrine-activated alpha2A-adrenergic receptor activates GRK2, interaction with GRK2 via the second and third intracellular loop of the receptor, determination of regions required for specific interaction and phosphorylation activity utilizing recombinant GST-tagged wild-type and several mutant alpha2A ARs, residues R225, R226, R218, K320, R322, and K358 are important, overview 662332 2.7.11.15 phosphoprotein GRK2 is activated by phosphorylation through c-Src, while phosphorylation by ERK inhibits GRK2 677232