6OT0:
reference: Cryo-EM structure of oxysterol-bound human Smoothened coupled to a heterotrimeric Gi., Qi X, Liu H, Thompson B, McDonald J, Zhang C, Li X, Nature. 2019 Jun 5. pii: 10.1038/s41586-019-1286-0. doi:, 10.1038/s41586-019-1286-0. PMID: 31168089

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