1. BioMaPS Institute for Quantitative Biology, ‡Department of Chemistry and Chemical Biology, and ∥Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, New Jersey 08854, United States
2. Department of Structural Biology and ⊥Department of Microbiology & Molecular Genetics, University of Pittsburgh School of Medicine, Bridgeside Point 2, Suite 414 450 Technology Drive Pittsburgh, Pennsylvania 15219, United States