1 JG Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA. Electronic address: j.chaires@louisville.edu.
2 Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, USA.
3 Molecular Biophysics, University of Kaiserslautern, 67663 Kaiserslautern, Germany.
4 Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
5 Dynamics of Macromolecular Assembly Section, Laboratory of Cellular Imaging and Macromolecular Biophysics, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
6 Dynamics of Macromolecular Assembly Section, Laboratory of Cellular Imaging and Macromolecular Biophysics, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA. Electronic address: schuckp@mail.nih.gov.