Molecular Mechanism of pH Sensing and Activation in GPR4 Reveals Proton-Mediated GPCR Signaling
Chongzhao You, Shimeng Guo, Tianwei Zhang, Xinheng He, Tianyu Gao, Wenwen Xin, Zining Zhu, Yujie Lu, Youwei Xu, Zhen Li, Yumu Zhang, Xi Cheng, Yi Jiang, Xin Xie, H. Eric Xu
This study reveals the molecular mechanism of pH sensing and activation in GPR4 through cryo-EM structures, showing proton-driven conformational changes and lipid modulation.
Cell Discovery · Jun 24, 2025Peer-reviewedMolecular Biology