1. Molecular Biophysics Unit, Indian Institute of Science, Bangalore, Karnataka 560012, India
2. Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
3. Structural Bioinformatics Unit, Department of Structural Biology and Chemistry, CNRS UMR 3528, C3BI, CNRS USR 3756, Institut Pasteur, Paris 75015, France