1. Department of Biochemical and Cellular Pharmacology, Genentech, South San Francisco, California, USA.
2. Department of Structural Biology, Genentech, South San Francisco, California, USA.
3. Department of BioMolecular Resources, Genentech, South San Francisco, California, USA.
4. Department of Antibody Engineering, Genentech, South San Francisco, California, USA.
5. Department of Cancer Immunology, Genentech, South San Francisco, California, USA.
6. Department of Protein Chemistry, Genentech, South San Francisco, California, USA.