Phosphorylation of the Smo tail is controlled by membrane localization and is dispensable for clustering

1 Center for Regenerative Therapies Dresden (CRTD), Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany, 2 Center for Information Services and High Performance Computing, Technische Universität Dresden, Helmholtzstraße 10, 01069 Dresden, Germany, and 3 Cellular and Molecular Biophysics, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany # present address: Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK ## present address: Dept. of Ophtalmology, University of Zuerich, Wagistrasse 14, 8952 Schlieren, Switzerland