Exploring the catalytic function and active sites of a novel C-glycosyltransferase from Anemarrhena asphodeloides oleh Jia Huang, Yaru She, Jingyang Yue, Yidu Chen, Yu Li, Jing Li, Yonger Hu, Deying Yang, Jiabo Chen, Lu Yang, Zhongqiu Liu, Ruibo Wu, Pengfei Jin, Lixin Duan