1. Molecular and Cellular Biology, Faculty of Arts and Sciences Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA.
2. Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN 47405, USA.
3. Department of Bionanoscience, Kavli Institute of Nanoscience Delft, Delft University of Technology, Netherlands.
4. Centre for Bacterial Cell Biology, Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle upon Tyne NE2 4AX, UK.
5. Department of Chemistry, Indiana University, Bloomington, IN 47405, USA.
6. Department of Biology, Indiana University, Bloomington, IN 47405, USA.