1. Faculty of Chemistry
2. Institute of Biological Chemistry
3. University of Vienna
4. A-1090 Vienna
5. Austria
6. Department of Structural and Computational Biology
7. Max Perutz Laboratories
8. A-1030 Vienna
9. Department of Chemistry
10. Division of Biochemistry
11. University of Natural Resources and Life Sciences
12. A-1190 Vienna
13. Department of Pathology and Laboratory Medicine
14. Geffen School of Medicine
15. University of California
16. Los Angeles
17. USA