2.7.11.15	(-)-Epinephrine	requirement, agonist, alpha2-adrenergic receptor as substrate	645000	
2.7.11.15	AlF4-	enhances beta-ARK activity upon stimulation of heterotrimeric G proteins	645026	
2.7.11.15	alpha2A-adrenergic receptor	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 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	arrestins	arrestins modulate the enzyme activity having a regulatory role, regulation of arrestins, overview	662911	
2.7.11.15	beta-arrestin	required for phosphorylation activity and receptor substrate endocytosis	662153	
2.7.11.15	beta-arrestin-2	forms a complex with GRK3 causing G protein-coupled receptor desensitization	662131	
2.7.11.15	beta-arrestin-2	required, membrane protein	661684	
2.7.11.15	beta-arrestin2	mediates GRK activity, forms a signaling complex with filamin and dopamine D3 receptor, interactions, overview	662345	
2.7.11.15	beta2-adrenergic receptor	interaction of beta-ARK 1 with the agonist-occupied receptor activates	645028	
2.7.11.15	beta2-adrenergic receptor	interaction of enzyme with human agonist-occupied receptor specifically and significantly enhances peptide phosphorylation, at lower concentrations, enhances both the affinity and catalytic efficiency for peptide phosphorylation	645012