1. Protein Signaling Domains Laboratory, Department of Biological Sciences; Biocomplexity Institute, and Center for Soft Matter and Biological Physics, Virginia Tech; Blacksburg Virginia 24061
2. Department of Chemical Engineering; Virginia Tech; Blacksburg Virginia 24061
3. Department of Biological Sciences; Virginia Tech; Blacksburg Virginia 24061
4. Biomolecular Magnetic Resonance Facility, University of Virginia; Charlottesville Virginia 22904