About the Authors

Halina Wójtowicz

These authors contributed equally to this study and share first authorship.

Affiliation Laboratory of Biochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland

Tibisay Guevara

These authors contributed equally to this study and share first authorship.

Affiliation Proteolysis Lab, Department of Structural Biology, Molecular Biology Institute of Barcelona, CSIC, Barcelona, Spain

Cynthia Tallant

Affiliation Proteolysis Lab, Department of Structural Biology, Molecular Biology Institute of Barcelona, CSIC, Barcelona, Spain

Mariusz Olczak

Affiliation Laboratory of Biochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland

Aneta Sroka

Affiliation Laboratory of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland

Jan Potempa

Affiliations Laboratory of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland, Department of Periodontics, University of Louisville School of Dentistry, Louisville, Kentucky, United States of America

Maria Solà

Affiliation Structural MitoLab, Department of Structural Biology, Molecular Biology Institute of Barcelona, CSIC, Barcelona, Spain

Teresa Olczak

Teresa.Olczak@biotech.uni.wroc.pl (TO); fxgr@ibmb.csic.es (FXG-R)

Affiliation Laboratory of Biochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland

F. Xavier Gomis-Rüth

Teresa.Olczak@biotech.uni.wroc.pl (TO); fxgr@ibmb.csic.es (FXG-R)

Affiliation Proteolysis Lab, Department of Structural Biology, Molecular Biology Institute of Barcelona, CSIC, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HW MO JP TO FXGR. Performed the experiments: HW TG CT AS MS FXGR. Analyzed the data: CT MS FXGR. Contributed reagents/materials/analysis tools: TG MO TO FXGR. Wrote the paper: JP MS FXGR.