1. Department of Chemistry,
2. Department of Anatomy and Cell Biology, and
3. NASA Astrobiology Institute, Department of Chemistry, University of Florida, Gainesville FL, 32611–7200, USA.
4. Foundation for Applied Molecular Evolution, Post Office Box 13174, Gainesville FL, 32604, USA.
5. Department of Chemistry, ETH Hönggerberg, CH-8093 Zürich, Switzerland.