GPR161 structure uncovers the redundant role of sterol-regulated ciliary cAMP signaling in the Hedgehog pathway
N. Hoppe, S. Harrison, S.-H. Hwang, Z. Chen, M. Karelina, I. Deshpande, C.-M. Suomivuori, V. R. Palicharla, S. P. Berry, P. Tschaikner, D. Regele, D. F. Covey, E. Stefan, D. S. Marks, J. Reiter, , A. Manglik
The paper determines the cryo-EM structure of active GPR161 bound to Gs, revealing sterol binding and its role in ciliary cAMP signaling, while showing that sterol binding is not essential for Hedgehog pathway suppression.
bioRxiv · May 23, 2023Biochemistry