* Corresponding authors

^a Department of Physical Chemistry, University of Veszprém, H-8201 Veszprém, P.O. Box 158, Hungary
E-mail: boda@almos.vein.hu

^b Department of Zoology and Center for Neuroscience, Brigham Young University, Provo, Utah
E-mail: david_busath@byu.edu

^c Department of Molecular Biophysics and Physiology, Rush Medical College, Chicago, Illinois
E-mail: beisenbe@rush.edu

^d Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah
E-mail: doug@huey.byu.edu

^e Department of Physiology and Biophysics, University of Miami School of Medicine, University of Miami School of Medicine, Miami, Florida
E-mail: wnonner@chroma.med.miami.edu