1. Department of Molecular Biology, Skaggs Institute for Chemical Biology, and International AIDS Vaccine Initiative (IAVI) Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA.
2. Department of Immunology and Microbial Science and IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA.
3. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02129, USA.
4. Department of Biochemistry, University of Washington, Seattle, WA 98195, USA.
5. Department of Chemistry, The Scripps Research Institute, La Jolla, CA 92037, USA.
6. Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, South Parks Road, Oxford, OX1 3QU, UK.
7. Weill Medical College of Cornell University, New York, NY 10021, USA.
8. Progenics Pharmaceuticals, Tarrytown, NY 10591, USA.
9. Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
10. Glycosciences Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, London, W12 0NN, UK.
11. Department of Physiological Chemistry, The Scripps Research Institute, La Jolla, CA 92037, USA.
12. RIKEN Advanced Science Institute and Exploratory Research for Advanced Technology, Japan Science and Technology Agency, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
13. Department of Medical Microbiology, Academic Medical Center, Amsterdam, Netherlands.
14. International AIDS Vaccine Initiative, New York, NY 10038, USA.