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Structure. 2009 Jan 14;17(1):8-14. doi: 10.1016/j.str.2008.12.003.

Discovery of new GPCR biology: one receptor structure at a time.

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  • 1Department of Molecular Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.


G-protein-coupled receptors (GPCRs) are the largest family of proteins in the human genome. Within the last year, we have witnessed a relative explosion in the amount of structural information available for the GPCR family with two new structures of opsin in the presence and absence of transducin peptide, four new structures of beta-adrenergic receptors, and a recent structure of the human adenosine A2A receptor. The new biological insight being gained, such as the highly divergent extracellular loops and areas of structural convergence within the transmembrane helices, allows us to chart a course for further investigation into this important class of membrane proteins.

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