1. The Genomics Institute of the Novartis Research Foundation, 10675 John Jay Hopkins Drive, San Diego, California 92121, Physik Department (T37), Technische Universität München (TUM), James-Franck-Strasse, 85748 Garching, Germany, Department of Mathematics and NSF Center for Theoretical Biological Physics (CTBP), University of California, San Diego, La Jolla, California 92093-0112, and Department of Chemistry and Biochemistry, Department of Pharmacology, and NSF Center for Theoretical Biological Physics ...