About the Authors

Alfred Lammens

Current address: Proteros biostructures GmbH, Martinsried, Germany

Affiliations Center for Integrated Protein Science (CIPSM), Munich, Germany, Department of Biochemistry at the Gene Center, Ludwig-Maximilians University, Munich, Germany

Monika Baehner

Affiliation Biologics Research, Roche Pharma Research and Early Development (pRED), Penzberg, Germany

Ulrich Kohnert

Affiliation Biologics Research, Roche Pharma Research and Early Development (pRED), Penzberg, Germany

Jens Niewoehner

Affiliation Biologics Research, Roche Pharma Research and Early Development (pRED), Penzberg, Germany

Leopold von Proff

Affiliation Research and Development, Roche Professional Diagnostics, Penzberg, Germany

Michael Schraeml

Affiliation Research and Development, Roche Professional Diagnostics, Penzberg, Germany

Katja Lammens

Affiliation Department of Biochemistry at the Gene Center, Ludwig-Maximilians University, Munich, Germany

Karl-Peter Hopfner

hopfner@lmb.uni-muenchen.de

Affiliations Center for Integrated Protein Science (CIPSM), Munich, Germany, Department of Biochemistry at the Gene Center, Ludwig-Maximilians University, Munich, Germany

Competing Interests

Some of the authors are employees of Roche Diagnostics GmbH or Proteros biostructures GmbH. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MB K-PH UK. Performed the experiments: AL JN. Analyzed the data: AL KL MB JN. Contributed reagents/materials/analysis tools: MS LvP. Wrote the paper: AL MB KL K-PH.