Structures of Trypanosoma brucei methionyl-tRNA synthetase with urea-based inhibitors provide guidance for drug design against sleeping sickness. oleh Cho Yeow Koh, Jessica E Kim, Allan B Wetzel, Will J de van der Schueren, Sayaka Shibata, Ranae M Ranade, Jiyun Liu, Zhongsheng Zhang, J Robert Gillespie, Frederick S Buckner, Christophe L M J Verlinde, Erkang Fan, Wim G J Hol