About the Authors

Erik Gullberg

Shared first authorship.

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Sha Cao

Shared first authorship.

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Otto G. Berg

Affiliation Department of Molecular Evolution, Uppsala University, Uppsala, Sweden

Carolina Ilbäck

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Linus Sandegren

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Diarmaid Hughes

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Dan I. Andersson

Dan.Andersson@imbim.uu.se

Affiliation Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS DH DIA. Performed the experiments: EG CS OGB CI. Analyzed the data: EG LS OGB DH DIA. Wrote the paper: EG LS DH DIA.