1. Institute for Pharmaceutical Biology, University of Bonn, Nussallee 6, 53115 Bonn, Germany, Culture Collection of Algae and Protozoa, Dunstaffnage Marine Laboratory, Scottish Association for Marine Science, Dunbeg, Oban, Argyll, PA37 1QA, Scotland, United Kingdom, Department IV - Chemical Biology, Max-Planck-Institute of Molecular Physiology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany, and Center for Biomolecular Magnetic Resonance, Institute for Organic Chemistry and Chemical Biology, Johann Wolfgang...