1. Department of Biological Sciences, The University of Texas at Dallas, Richardson, Texas 75080, United States
2. Howard Hughes Medical Institute, The Salk Institute for Biological Studies, Jack H. Skirball Center for Chemical Biology and Proteomics, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
3. John Innes Centre, Department of Metabolic Biology, Norwich Research Park, Norwich NR4 7UH, U.K.
4. Department of Bioengineering, The University of Texas at Dallas, Richardson, Texas 75080, United States
5. John Innes Centre, Institute of Food Research, Food & Health Programme, Norwich Research Park, Norwich NR4 7UA, U.K.
6. Center for Systems Biology, The University of Texas at Dallas, Richardson, Texas 75080, United States