1. CR & D, Experimental Station, E. I. du Pont de Nemours & Co., Wilmington, Delaware 19880-0173, Technische Universität Berlin, Strasse des 17. Juni 135, 10623 Berlin, Germany, Department of Biochemistry, Imperial College, London, SW7 2AY, U.K., Inc., 10225 Barnes Canyon Road, A110, San Diego, California 92121, IBPC, 13 rue Pierre et Marie Curie, 75005 Paris, France, CEA-Cadarache, DEVM, Laboratoire de Bioénergétique Cellulaire, 13108 Saint Paul-lez-Durance, France, and Department of Plant Biology, Arizona...