1. Contribution from the Department of Applied Science, University of California, Davis, California 95616, Department of Chemistry and Coalition for Biomolecular Products, The University of Alabama, Tuscaloosa, Alabama 35487-0336, Lawrence Berkeley Laboratory, Berkeley, California 94720, Laboratoire de Cristallographie et Cristallogénèse des Protèines (LCCP), Institut de Biologie Structurale J.-P. Ebel CEA-CNRS, 41 rue Jules Horowitz, 38027 Grenoble Cedex 1, France, Laboratoire de Physicochimie des Métaux...