1. Department of Chemistry, University of California—Davis, Davis, California 95616, United States
2. Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, United States
3. Department of Biochemistry, University of Washington, Seattle, Washington 98195, United States
4. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Department of Biology, ETH Zurich, 8093 Zurich, Switzerland
6. Department of Molecular & Cell Biology and QB3 Institute, University of California, Berkeley, California 94720, United States
7. Department of Biochemistry and Molecular Medicine, University of California—Davis, Davis, California 95616, United States
8. Genome Center, University of California—Davis, Davis, California 95616, United States