1. Department of Nutritional Sciences, University of Wisconsin–Madison, Wisconsin 53706
2. Department of Biomolecular Chemistry, University of Wisconsin–Madison, Wisconsin 53706
3. Department of Molecular, Cellular and Developmental Biology, Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109
4. Department of Biological Sciences, University of Wisconsin–Parkside, Kenosha, Wisconsin 53144
5. Morgridge Institute for Research, Madison, Wisconsin 53715
6. Genome Center of Wisconsin, University of Wisconsin–Madison, Wisconsin 53706
7. Department of Chemistry, University of Wisconsin–Madison, Wisconsin 53706