The Macromolecular Structure Database (MSD) (http://www.ebi.ac.uk/msd/) [H. Boutselakis, D. Dimitropoulos, J. Fillon, A. Golovin, K. Henrick, A. Hussain, J. Ionides, M. John, P. A. Keller, E. Krissinel et al. (2003) E-MSD: the European Bioinformatics Institute Macromolecular Structure Database. Nucleic Acids Res., 31, 458
Mohammed Tagari, John G. Tate, G. J. Swaminathan, Richard Newman, Avi Naim, Wim Vranken, A. Kapopoulou, A. Hussain, Joël Fillon, Kim Henrick, Samir S. Velankar