6IIU:
reference: Structural basis for ligand recognition of the human thromboxane A2 receptor., Fan H, Chen S, Yuan X, Han S, Zhang H, Xia W, Xu Y, Zhao Q, Wu B, Nat Chem Biol. 2019 Jan;15(1):27-33. doi: 10.1038/s41589-018-0170-9. Epub 2018, Dec 3. PMID: 30510189

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