1. Centre for Membrane Pumps in Cells and Disease – PUMPKIN, Danish National Research Foundation, Gustav Wieds Vej 10C, DK-8000 Aarhus C, Denmark
2. Department of Physiology and Biophysics, Ole Worms Allé 6, DK-8000 Aarhus, Denmark
3. Department of Molecular Biology, Gustav Wieds Vej 10C, DK-8000 Aarhus C, Denmark
4. Commissariat à l'Energie Atomique (CEA), Institut de Biologie et de Technologies de Saclay, SB2SM, URA CNRS 2096, Laboratoire de Recherche Associé 17V University of Paris-Sud, Gif-sur-Yvette, F-91191, France