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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Biochim Biophys Acta. 2016 Dec 18;1859(9 Pt A):1445–1455. doi: 10.1016/j.bbamem.2016.12.007

Figure 1.

Figure 1

Seven transmembrane domain (TMD) structure of the β2-AR. Amino acids selected for mutagenesis at the base of TMD1 and helix 8 (H8) are shown in red. See β2-AR crystal structure of Cherezov and colleagues [20].