1. Department of Medical Biochemistry and Microbiology, Uppsala University, BMC Box 582, SE-75123 Uppsala, Sweden.
2. Department of Biochemistry and Molecular Genetics, University of Colorado at Denver, 12801 East 17th Avenue, Aurora, CO 80045, USA.
3. Protein Physiology Lab, FCEyN-Universidad de Buenos Aires, IQUIBICEN/CONICET, Intendente Güiraldes 2160, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina.
4. Department of Pharmaceutical Biosciences, Uppsala University, BMC Box 591, SE-75124 Uppsala, Sweden.
5. Department of Biochemistry and Biophysics, Stockholm University, SE-10691 Stockholm, Sweden.
6. Laboratory of Physical Chemistry, ETH Zürich, ETH-Hönggerberg, Zürich, Switzerland.
7. Institute of Biophysical Chemistry, Center for Biomolecular Magnetic Resonance, Goethe University, 60438 Frankfurt am Main, Germany.
8. Graduate School of Science, Tokyo Metropolitan University, Tokyo 192-0397, Japan.