On Nov.26th,the well-renowned British journal Nuclear Acid Research published on line the latest research finding on TrpRS by the Structural Biology Group at the Institute of Biochemistry and Cell Biology (SIBCB),Shanghai Institutes for Biological Sciences(SIBS),Chinese Academy of Sciences.With structural and computational studies,PhD candidates Xianchi Dong and Minyun Zhou,and their mentor Prof.Jianping Ding show that TrpRS has an archaeal origin.