1. Department
of Chemical Physiology, The Scripps Research Institute, 10550 North
Torrey Pines Road, La Jolla, California 92037, United States
2. Molecular
and Cell Biology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
3. Protein Metrics, 1622 San Carlos
Avenue, San Carlos, California 94070, United States
4. Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, California 94304, United States