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. 2014 Dec 30;9(12):e115856. doi: 10.1371/journal.pone.0115856

Figure 1. Left: Schematic view of the overall structure of a G protein-coupled receptor (GPCR), with depiction of the connectivity of the intracellular (IL) and extracellular (EL) loops between helices (H).

Figure 1

Right: 3D structure of the reconstructed µOR structure (see “Methods”). Color codes of ILs, ELs, and Hs are identical in both left and right pictures.