1. Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, UK.
2. Department of Chemistry Biomedicinskt Centrum, Uppsala University, Box 576, 75123 Uppsala, Sweden.
3. Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK.
4. Cell Biology and Physiology Center, National Heart, Lung and Blood Institute (NHLBI), Bethesda, MD 20892, USA.
5. In-Cell NMR Laboratory, Department of NMR-supported Structural Biology, Leibniz Institute of Molecular Pharmacology (FMP Berlin), Robert-Rössle Straße 10, 13125 Berlin, Germany.
6. Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland.
7. Department of Immunology and Microbiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.