1. Department of Chemistry, Pittsburg State University, Pittsburg, Kansas 66762, United States
2. Section on Integrative Biophysics, Division of Basic and Translational Biophysics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892, United States
3. Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
4. Department of Molecular and Integrative Physiology and Department of Surgery, The University of Kansas Medical Center, Kansas City, Kansas 66160, United States
5. Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma 74078, United States