1. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA.
2. National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA.
3. Department of Physics, Florida State University, Tallahassee, FL 32306, USA.
4. Institute of Molecular Biophysics, Florida State University, Tallahassee, FL 32306, USA.
5. Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.