1 Scripps Institution of Oceanography, UC San Diego, CA, USA.
2 Institute of Organic Chemistry and Macromolecular Chemistry, Cluster of Excellence 'Balance of the Microverse', Friedrich-Schiller-University Jena, Germany.
3 Institute of Enzymology, Research Centre of Natural Sciences, Eötvös Loránd Research Network, Budapest, Hungary.
4 Institute of Cancer Research, Medical University of Vienna, Austria.
5 Max F. Perutz Laboratories, Department of Medical Biochemistry, Medical University Vienna, Austria.