1. Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
2. International AIDS Vaccine Initiative Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA.
3. Scripps Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA.
4. Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.
5. Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.