1. School of Biological Sciences, University of Southampton, Southampton SO16 7PX, U.K.
2. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
3. Laboratory for Protein Crystallography, Centre for Amyloidosis and Acute Phase Proteins, UCL Division of Medicine (Royal Free Campus), Rowland Hill Street, London NW3 2PF, U.K.
4. European Synchrotron Radiation Facility, BP 220, F-38043, Grenoble Cedex 9, France
5. Peptide Protein Research Ltd., Knowle Village Business Park, Wickham, Hants PO17 5DY, U.K.
6. Molecular Microbiology Group, Division of Infection, Inflammation and Immunity, University Medical School, Southampton General Hospital, Southampton, SO16 6YD, U.K.