On July 22, Professor Yu Xiao and Professor Sun Jinpeng from the Shandong University School Of Basic Medical Sciences cooperated with Xie Xin team of Shanghai Institute Of Medicine, Chinese Academy of Sciences and Zhang Yan team of Zhejiang University, and published a research paper entitled "Structural basis of GPBAR activation and bile acid recognition" online in nature. Guo Lulu, Lin Jingyu and Wu Xiang, postdoctoral students and associate professors and doctoral students of Shandong University School Of Basic Medical Sciences; Mao Chunyou and Ming Qianqian, postdoctoral students of Zhejiang University School of Basic Medical Sciences; Zhang Yan, Xie Xin, Yu Xiao and Sun Jinpeng are co-authors; Shandong University is the first unit of this paper.