* Corresponding authors

^a St. Jude Children's Research Hospital, Memphis, TN 38105, USA

^b Department of Biochemistry and Molecular Genetics, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA

^c Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA

^d Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Pozuelo de Alarcón, Madrid 28223, Spain
E-mail: lm.rubio@upm.es

^e QB3 Institute, University of California, Berkeley, CA 94720, USA
E-mail: dewemmer@berkeley.edu

^f Division of Physical Biosciences of Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA

^g Department of Chemistry, University of California, Berkeley, CA 94720, USA