1. Department of Physiological Chemistry, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
2. Department of Immunology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
3. Department of Pathology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
4. Department of Bioinformatics and Computational Biology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
5. Department of Protein Chemistry, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
6. Department of Safety Assessment, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
7. Human Oncology and Pathogenesis Program and Leukemia Service, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA.
8. Department of Molecular Biology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
9. Department of Structural Biology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
10. Department of Translational Immunology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
11. MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.