Institution: | 1 Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, PA 15213, USA;2 Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA;3 Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA;4 The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA;5 Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, USA |