1. Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA.
2. Institute of Organic Chemistry and Biochemistry AS CR, Prague 166-10, Czech Republic.
3. Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA.
4. Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA.
5. Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA.
6. California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA.
7. Department of Chemistry and Chemical Biology, Harvard University, MA 02138, USA.
8. Department of Physics, University of California, Los Angeles, Los Angeles, CA 90095, USA.
9. Department of Physiology, University of California, Los Angeles, Los Angeles, CA 90095, USA.