1. Department of Physics, University of Washington, Seattle, WA 98195
2. The Department for Statistical Physics of Evolving Systems, Max Planck Institute for Dynamics and Self-Organization, Göttingen 37077, Germany
3. Fred Hutchinson Cancer Center, Seattle, WA 98102
4. Department of Biochemistry, University of Washington, Seattle, WA 98195
5. Institute for Protein Design, University of Washington, Seattle, WA 98195
6. Dyno Therapeutics, Watertown, MA 02472
7. Department of Applied Mathematics, University of Washington, Seattle, WA 98105
8. Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA 98195