1. ARC Centre of Excellence in Plant Cell Walls; School of BioSciences; The University of Melbourne; Victoria 3010 Australia
2. Joint BioEnergy Institute and Physical Biosciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94702 USA
3. Institute of Molecular Life Sciences; University of Zurich; 8057 Zurich Switzerland
4. Institute for Microbiology; Ernst-Moritz-Arndt-University of Greifswald; Greifswald Germany
5. Systematische Proteomforschung & Bioanalytik; Christian-Albrechts-Universität zu Kiel; Kiel Germany
6. Department of Molecular Biology and Genetics; University of Aarhus; Denmark