Affiliation: | 1. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;2. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;3. Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI 48109, USA;4. Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;5. Fellow, Bio-inspired Solar Energy Program, Canadian Institute for Advanced Research (CIFAR), Toronto, ON M5G 1M1 |