1. Center for Integrative Proteomics Research, BioMaPS Institute, and Department of Chemistry & Chemical Biology, Rutgers University, 174 Frelinghuysen Road, Piscataway, New Jersey 08854-8076, United States
2. Department
of Biochemistry, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, United States
3. Quantum
Theory Project, Chemistry Department, University of Florida, Gainesville, Florida 32611, United States