Gunnar von Heijne, Stockholm University: gunnar.von.heijne@dbb.su.se Syma Khalid, University of Southampton: S.Khalid@soton.ac.uk Themis Lazaridis, City College of New York: tlazaridis@ccny.cuny.edu Gerhard Hummer, Max Planck Institute of Biophysics: gerhard.hummer@biophys.mpg.de