Department of Chemistry, Stanford University, Stanford, California, United States of America.|Department of Chemistry and Chemical Biology and BioMaPS Institute, Rutgers University, Piscataway, New Jersey, United States of America.|Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America.|Department of Chemistry, Stanford University, Stanford, California, United States of America.|Department of Chemistry, Stanford University, Stanford, California, United States of America.|Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America.|Department of Chemistry, University of California, Davis, Davis, California, United States of America.|Laboratory of Computational Biology, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America.|Department of Chemistry, Stanford University, Stanford, California, United States of America.|Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America.|Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America.|Laboratory of Computational Biology, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America.|Department of Chemistry, Stanford University, Stanford, California, United States of America.