Affiliation: | 1 Department of Physiology and Biophysics, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA 2 Computational Biochemistry Group, University of Heidelberg, Im Neuenheimer Feld 368, Heidelberg D-69120, Germany 3 Max Planck Institute for Medical Research, Jahnstrasse 29, Heidelberg D-69120, Germany 4 Department of Cell Biology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA |