Ca-Dependent Conformational Changes in a C-terminal Cytosolic Domain of Polycystin-2 Frank Schumann, Helen Hoffmeister, Reto Bader, Maren Schmidt, Ralph Witzgall & Hans Robert Kalbitzer Institute of Biophysics and Physical Biochemistry, Institute of Anatomy, University of Regensburg, 93040 Regensburg, Germany Running Title: Conformational changes in the C-terminal domain of polycystin-2 + The f...