1. Center
for Insoluble Protein Structures (inSPIN) and Interdisciplinary Nanoscience
Center (iNANO), Aarhus University, Aarhus, Denmark
2. Department
of Chemistry, Aarhus University, Aarhus, Denmark
3. Department
of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
4. Howard
Hughes Medical Institute and Department of Pharmacology, University of California at San Diego, La Jolla, California 92093, United States