About the Authors

Tobias Bonitz

Affiliation Pharmaceutical Institute, Eberhard Karls-Universität Tübingen, Tübingen, Germany

Vikram Alva

Affiliation Department of Protein Evolution, Max-Planck-Institute for Developmental Biology, Tübingen, Germany

Orwah Saleh

Affiliation Pharmaceutical Institute, Eberhard Karls-Universität Tübingen, Tübingen, Germany

Andrei N. Lupas

Affiliation Department of Protein Evolution, Max-Planck-Institute for Developmental Biology, Tübingen, Germany

Lutz Heide

heide@uni-tuebingen.de

Affiliation Pharmaceutical Institute, Eberhard Karls-Universität Tübingen, Tübingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TB VA ANL LH. Performed the experiments: TB VA. Analyzed the data: TB VA. Contributed reagents/materials/analysis tools: VA ANL. Wrote the paper: TB VA OS ANL LH.