About the Authors

Maya D. Lambreva

maya.lambreva@ic.cnr.it

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Maria Teresa Giardi

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Irene Rambaldi

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Amina Antonacci

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Sandro Pastorelli

Current address: Neotron S.p.a., Santa Maria di Mugnano, Modena, Italy

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Ivo Bertalan

Affiliation Martin-Luther-University, Plant Physiology Institute, Halle (Saale), Germany

Ivan Husu

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Udo Johanningmeier

Affiliation Martin-Luther-University, Plant Physiology Institute, Halle (Saale), Germany

Giuseppina Rea

Affiliation Institute of Crystallography, National Research Council, Monterotondo Scalo, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GR MDL MTG UJ. Performed the experiments: MDL IR AA SP IB. Analyzed the data: MDL GR IB IH IR. Contributed reagents/materials/analysis tools: GR MTG UJ. Wrote the paper: MDL GR.