1. Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706
2. Biotechnology Center, University of Wisconsin-Madison, Madison, Wisconsin 53706
3. Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin 53706
4. Janelia Research Campus, HHMI, Ashburn, Virginia 20147
5. Department of Botany, University of Wisconsin-Madison, Madison, Wisconsin 53706