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. Author manuscript; available in PMC: 2019 Jul 8.
Published in final edited form as: Biochemistry. 2017 Oct 10;56(42):5628–5634. doi: 10.1021/acs.biochem.7b00747

Figure 1.

Figure 1.

Family A GPCRs for which structural data are available. Most family A GPCRs that have been crystallized to date have been determined in only a single conformational state, usually an inactive conformation.