About the Authors

Ivan Kalev

ivan.kalev@tuebingen.mpg.de (IK); mhabeck@gwdg.de (MH)

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

Michael Habeck

ivan.kalev@tuebingen.mpg.de (IK); mhabeck@gwdg.de (MH)

Affiliation Institute for Mathematical Stochastics, Georg-August-University of Göttingen, Göttingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IK MH. Performed the experiments: IK. Analyzed the data: IK. Wrote the paper: IK MH.