1. Department of Biotechnology, Bhupat & Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
2. Center for Biomolecular Structure & Organization, Department of Chemistry & Biochemistry, University of Maryland, College Park, Maryland 20742, United States
3. Molecular Biophysics Unit, Indian Institute of Science, Bangalore 560012, India