About the Authors

Gerd Birkenmeier

Affiliation Faculty of Medicine, Institute of Biochemistry, University of Leipzig, Leipzig, Germany

Christin Stegemann

Affiliation Faculty of Chemistry and Mineralogy, Center for Biotechnology and Biomedicine, Institute of Bioanalytical Chemistry, University of Leipzig, Leipzig, Germany

Ralf Hoffmann

Affiliation Faculty of Chemistry and Mineralogy, Center for Biotechnology and Biomedicine, Institute of Bioanalytical Chemistry, University of Leipzig, Leipzig, Germany

Robert Günther

Affiliation Faculty of Biosciences, Pharmacy and Psychology, Institute of Biochemistry, University of Leipzig, Leipzig, Germany

Klaus Huse

Affiliation Leibniz Institute for Age Research–Fritz Lipmann Institute e.V., Jena, Germany

Claudia Birkemeyer

birkemeyer@chemie.uni-leipzig.de

Affiliation Faculty of Chemistry and Mineralogy, Institute of Analytical Chemistry, University of Leipzig, Leipzig, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CB. Performed the experiments: GB CS RG CB. Analyzed the data: GB CS RG CB. Contributed reagents/materials/analysis tools: GB RH RG CB. Wrote the paper: GB CB. Substantial advice for experimental validation: RH. Substantial manuscript review: KH.