1. Michigan State University–U.S. Department of Energy (MSU–DOE) Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA.
2. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
3. California Institute for Quantitative Biosciences (QB3), University of California, Berkeley, CA 94720, USA.
4. Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA.