Affiliation: | Department of Structure of Macromolecules, Centro Nacional de Biotecnología/CSIC, Campus Cantoblanco, 28049 Madrid, Spain,1. Institut de Biologia Molecular de Barcelona/CSIC, Parc Científic de Barcelona, Baldiri i Reixac 15, 08028 Barcelona, Spain,2. Department of Plant Pathology, University of Kentucky, Lexington, Kentucky 40546,3. Imaging Sciences Laboratory, CIT/NIH, Bethesda, Maryland 20892-56244. |