
																
																	RGS2 and RGS4 proteins: New modulators of the κ-opioid receptor signaling
																
																
																
															Keywords: U-50،488H; 293 F; cell line of human embryonic kidney origin; 6àHis; hexahistidine; aa; amino acids; AC; adenylyl cyclase; AR; adrenergic receptors; AT1; Angiotensin Receptor 1; CT; carboxyl terminus; ÎÎRGS4; RGS4 lacking its N-terminal domain; DAMGO; [d-Ala2,