1 Molecular Proteomics Laboratory (MPL), Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf D-40225, Germany. Electronic address: Kai.stuehler@hhu.de.
2 Institute for Microbiology, Heinrich Heine University Düsseldorf, Düsseldorf D-40225, Germany. Electronic address: kerstin.schipper@uni-duesseldorf.de.
3 Molecular Proteomics Laboratory (MPL), Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf D-40225, Germany. Electronic address: gereon.poschmann@hhu.de.