About the Authors

Maria D. Crespo

Affiliation Institute of Molecular Biology and Biophysics, ETH-Hönggerberg, Zürich, Switzerland

Marina Rubini

marina.rubini@uni-konstanz.de

Affiliation Department of Organic Chemistry, University of Konstanz, Konstanz, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MR. Performed the experiments: MR. Analyzed the data: MR MDC. Contributed reagents/materials/analysis tools: MR MC. Wrote the paper: MR MDC.