FRET

An interaction is inferred when close proximity of interaction partners is detected by fluorescence resonance energy transfer between pairs of fluorophore-labeled molecules, such as occurs between CFP (donor) and YFP (acceptor) fusion proteins.

Publication

Real-time monitoring of receptor and G-protein interactions in living cells.

Gales C, Rebois RV, Hogue M, Trieu P, Breit A, Hebert TE, Bouvier M

G protein-coupled receptors (GPCRs) represent the largest family of proteins involved in signal transduction. Here we present a bioluminescence resonance energy transfer (BRET) assay that directly monitors in real time the early interactions between human GPCRs and their cognate G-protein subunits in living human cells. In addition to detecting basal precoupling of the receptors to Galpha-, Gbeta- and Ggamma-subunits, BRET ... [more]

Nat. Methods Mar. 01, 2005; 2(3);177-84 [Pubmed: 15782186]

Throughput

  • Low Throughput

Additional Notes

  • Isoforms (Uniprot IDs): P21731-3 interacts with P62873
  • Thromboxane receptor alpha interacted with G protein subunits
  • interaction detected by BRET

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
TBXA2R GNB1
Reconstituted Complex
Reconstituted Complex

An interaction is inferred between proteins in vitro. This can include proteins in recombinant form or proteins isolated directly from cells with recombinant or purified bait. For example, GST pull-down assays where a GST-tagged protein is first isolated and then used to fish interactors from cell lysates are considered reconstituted complexes (e.g. PUBMED: 14657240, Fig. 4A or PUBMED: 14761940, Fig. 5). This can also include gel-shifts, surface plasmon resonance, isothermal titration calorimetry (ITC) and bio-layer interferometry (BLI) experiments. The bait-hit directionality may not be clear for 2 interacting proteins. In these cases the directionality is up to the discretion of the curator.

Low-BioGRID
908317

Curated By

  • BioGRID