Numerology versus reality: a voice in a recent dispute.
Department of Crystallography, Faculty of Chemistry, A. Mickiewicz University and Center for Biocrystallographic Research, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland, Synchrotron Radiation Research Section, Macromolecular Crystallography Laboratory, NCI, Argonne National Laboratory, Biosciences Division, Building 202, Argonne, IL 60439, USA, and Protein Structure Section, Macromolecular Crystallography Laboratory, NCI at Frederick, Frederick, MD 21702, USA