1. Department of Chemistry and Biochemistry, University of California Los Angeles, CA 90095, USA
2. Department of Biological Chemistry, The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
3. The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
4. Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
5. Interdepartmental Program in Molecular, Cellular, and Integrative Physiology, University of California, Los Angeles, CA 90095, USA
6. Molecular Biology Institute (MBI), University of California Los Angeles, CA 90095, USA
7. California NanoSystems Institute, University of California Los Angeles, CA 90095, USA
8. Department of Physiology, University of California Los Angeles, CA 90095, USA