1. Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, 85764 Neuherberg, Germany
2. Department of Cell and Developmental Biology, John Innes Centre, Norwich, NR4 7UH, United Kingdom
3. Institute of Structural Biology, Helmholtz Zentrum München, 85764 Neuherberg, Germany
4. Munich Center for Integrated Protein Science at the Gene Center of the Ludwig-Maximilians-University, Munich 81377, Germany