1. Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
2. Department of Peptide Therapeutics, Genentech, South San Francisco, California 94080, United States
3. Department of Early Discovery Biochemistry, Genentech, South San Francisco, California 94080, United States
4. Innovative Research Division, Mitsubishi Tanabe Pharma Corporation, Kanagawa 227-0033, Japan
5. Department of Drug Metabolism and Pharmacokinetics, Genentech, South San Francisco, California 94080, United States
6. Department of Analytical Research, Genentech, South San Francisco, California 94080, United States
7. Department of Medicinal Chemistry, Genentech, South San Francisco, California 94080, United States