Crystal structure of the dimeric phosphoenolpyruvate carboxykinase (PEPCK) from Trypanosoma cruzi at 2 'ANGSTRON' resolution - Trapani, Stefano; Linss, Jutta; Goldenberg, Samuel; Fischer, Hannes; Craievich, Aldo Felix; Oliva, Glaucius (Journal Molecular Biology, 2001)