3UP3:
reference: Structural conservation of ligand binding reveals a bile acid-like signaling pathway in nematodes., Zhi X, Zhou XE, Melcher K, Motola DL, Gelmedin V, Hawdon J, Kliewer SA, Mangelsdorf DJ, Xu HE, J Biol Chem. 2011 Dec 21. PMID: 22170062

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