1. Department of Chemistry,
California Institute for Quantitative
Biosciences (QB3), Howard Hughes Medical Institute, University of California, Berkeley, California 94720, United States
2. National Centre for Biological Sciences (TIFR), Bellary Road, Bangalore 560065, India
3. Raman Research Institute, C.V.
Raman Avenue, Bangalore 560080, India
4. Materials
Sciences Division, Physical Biosciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States