Crystal structures of 'beta'galactosidase from Penicillium sp. and its complex with galactose - Rojas, A. L.; Nagem, Ronaldo Alves Pinto; Neustroev, Kirill N; Arand, M.; Adamska, M.; Eneyskaya, Elena V; Kulminskaya, Anna A; Garratt, Richard Charles; Golubev, A. M.; Polikarpov, Igor (Journal of Molecular Biology, 2004)