1. Department
of Biochemistry and Structural Biology, Lund University, P O Box 124, 221 00 Lund, Sweden
2. Department
of Chemistry, Cambridge University, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
3. Laboratory
for Neurodegenerative Research, Conway Institute of Biomedical and
Biomolecular Research, University College Dublin, Belfield, Dublin 4, Republic of Ireland
4. Department
of Chemistry and Francis Bitter Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
5. Laboratory
for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts 02115, United States