Bioluminescence Resonance Energy Transfer TechniquesFluorescence Resonance Energy TransferEnergy TransferLuciferases, RenillaLuminescent MeasurementsRenillaLuminescenceLuminescent ProteinsArrestinsQuantum DotsLuminescent AgentsDimerizationMoving and Lifting PatientsTacrolimus Binding Protein 1AProtein MultimerizationHEK293 CellsProtein BindingReceptors, G-Protein-CoupledGene Transfer TechniquesCell LineRecombinant Fusion ProteinsBiosensing TechniquesGTP-Binding Protein alpha Subunits, Gi-GoCOS CellsReceptors, Adrenergic, beta-2Green Fluorescent ProteinsTransfectionLuciferasesBiopolymersQuantum TheoryCercopithecus aethiopsSpectrometry, FluorescenceLigandsProtein Structure, TertiarySignal TransductionProtein Structure, QuaternaryProtein ConformationCell MembraneProtein TransportImmunoprecipitationFluorescent DyesEmbryo TransferBacterial ProteinsMolecular Sequence DataRadioligand AssayAmino Acid SequenceCHO CellsCyclic AMPEndocytosisLuciferases, Firefly