1. Department of Chemical and Biomolecular Engineering, University of California, 201 Gilman Hall, Berkeley, CA 94720‐1462 (USA)
2. Joint BioEnergy Institute, Lawrence Berkeley National Laboratory, 5885 Hollis Street, Emeryville, CA 94608 (USA)
3. Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam‐Golm (Germany)
4. Department of Biochemistry, University of Washington, Box 357350, Seattle, WA 98195 (USA)
5. Departments of Chemistry and Biochemistry and Molecular Medicine, Genome Center, University of California, 451 Health Sciences Drive, Davis, CA 95616 (USA)