A Sterol-Binding Cavity Underlies Sterol Recognition and Differential Activation of the ABCG5/G8
Fatemeh Rezaei, Isra F Omar, Danny Farhat, Zi-Wen Weng, Kadambari Vijay Sai, Qing-Fang Xiao, Yuan‐Chih Chang, Shang‐Te Danny Hsu, Jyh‐Yeuan Lee
This study determines the cryo-EM structure of ABCG5/G8 with ergosterol and shows that ergosterol activates the transporter more than cholesterol or CHS, with Y432 in the aromatic clamp playing a key role.
bioRxiv · Aug 11, 2026 · PreprintBiochemistry