Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, United States of America.|Department of Molecular and Cellular Biology, University of California, Berkeley, Berkeley, California, United States of America.|Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, United States of America.|Center for Systems Biology, Massachusetts General Hospital, Boston, Massachusetts, United States of America.|Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, United States of America.|Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, Germany.|Institute of Molecular Systems Biology, ETH Zurich, Zürich, Switzerland.|Department of Chemistry and Department of Computer Science, University of Toronto, Ontario, Canada.|Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, Germany.